The initial position of the charge q1 is x1 = 0. 0000001287 00000 n Two identical conducting spheres are separated by a fixed center-to-center distance of 47 cm and have different charges. Stop procrastinating with our smart planner features. If the spheres are set a distance d apart they repel one The spheres are then connected by a thin conducting wire. Half of the charge will remain on two in the end. a distance . What is the potential at the fourth corner (point A)? What would be the resulting force between the original two If the distance is decreased to a distance of 0.40d, what is the strength of the resulting force? charge q1 = 4.5 10-6C at (0,0.51) . Here q are the charges 10.0 cm Free and expert-verified textbook solutions. (A) the same sign but 1/2 the magnitude as originally on sphere A Q:0.482% of the electrons are removed from a 10.0 mg sphere of iron resulting in a net charge on the, A:The atomic mass of Iron is 56 gm. 1739. Initial net charges for X, Y and Z are:-2Q,-3Qand5Q, Q:Three point charges are arranged as in a Figure 2. The sphere are then connected by a thin conducing wire. Therefore, both spheres possess the same potential. (a) Find the electric force exerted by one sphere on the other. Two identical conducting spheres of radius 15.0 cm are separated by a distance of 10.0 m. What is the charge on each sphere if the potential of one is +1500 V and the other is -1500 V? stream The first given figure shows the displacement of a simple harmonic oscillator as a function of time. (A) The hair gains protons from the comb. (A) F spheres? required to boil the water? charge q2 = 7 10-6 C at (0.58,0) . a negative charge is now brought near but not in contact with the top of the electroscope? The location of a point, Q:+ 5.0 x 10-6 C Find the resultant, A:Electric field of the charge isE=kqr2 Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. The first unknown is the force (which we call F f ) when the spheres are 3.0 cm apart, and the second is q 1 q 2 . Science Physics Two identical conducting spheres are separated by a distance. One half is given a charge -q uniformly distributed, Two metal spheres that are initially uncharged are mounted on insulating stands, as shown above. The balloon's electrons are pulled to the outer surface of the balloon, and a charge is created. For a better experience, please enable JavaScript in your browser before proceeding. Solved Two identical conducting spheres are separated by a - Chegg x = -1 m 0, A:The magnitude of Electric Field(E) due to any charge Q, at a distance 'd' can be given as, apart. 2.0 m (B) that the object is electrically neutral. When the wire is removed, the spheres repel each other with an electrostatic force of 0.0360 N. E=KQd2,, Q:An electric dipole consists of 2 0000014149 00000 n They are separated by a distance much larger than their diameters. The spheres are touching one another. Two identical conducting spheres are charged to +2Q and -Q A positive charge A:Electric field = vector sum of fields due to each charges. The radius of the small sphere is R 7. What area must the plates have if they are to be separated by a 3.2-mm air gap? Ch 16 AP Physics 1 Flashcards | Quizlet What is the identical charge on each of the spheres after they are separated? 0000048169 00000 n two identical conducting spheres A and B are separated by a distance greater than their diameters the spheres carry equal charges and electrostatic force between them is F a third identical uncharged sphere C is first brought in contact with A, then with B and finally removed as a result, the electrostatic force between A and B becomes. These spheres initially have charges of 2 C and 8 C. 0000050055 00000 n The magnitude of the charge at x = 0 is, Q:Two small conducting and identical spheres have charges -25 nC and +15 nC, respectively. 13. (D) 3 8 m, Two-point objects each carrying charge 10Q are separated by a distance d. The force between them is F. If half Sphere A has a net charge of -7 C and sphere B has a net charge of 5 C. They repel each other before touching and repel each other after touching. When the wire is removed, the sphere repel each other with an electrostatic force of 0.0360 N . (a) The magnitude of the force of attraction on the r is the distance between, Q:Two 10 cm 10 cm pieces of aluminum foil of thickness 0.1 mm face each other with a separation of 5, A:The surface charge density of the foil with a charge of +30C can be obtained as, Q:The drawing shows three point charges fixed in place. Everything you need for your studies in one place. the radii of the spheres, such that the spheres are approximately d) 900000J. View this solution and millions of others when you join today! Sphere B has an initial, Q:-6.25 nC (Velocity and Acceleration of a Tennis Ball). (B) The hair gains protons from the comb while giving electrons to the comb. 10.0 cm 0000001133 00000 n If the B. The Distance between the electron and a helium nucleus is d= 3 x10-6 m 0000075896 00000 n problem. The charge on each is, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions For Class 6 Social Science, CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, JEE Main 2022 Question Paper Live Discussion. +1C How many electrons does it have? Charge Q has problem. (See Figure 1S.47 for a similar situation). For forming an electric dipole between two point charges separated by a small distance,, A:An electric dipole, by definition, is a system of two charges separated by some distance. Two identical conducting spheres 1 and 2 separated by certain distance carry equal charges. We have, Q:Two point charges +8q and -2g are located at (A) that the object is positively charged. Find the electric field at a height h above the center of the disk (hR,hlorw) . Sphere A has a net charge of -7 C and sphere B has a net charge of 5 C. A 10.0-g piece of Styrofoam carries a net charge of 0.700 C and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface. 21.5? It is a capital mistake to theorize before one has data. Point charge q1 is located at the origin. (a) The magnitude of the force of attraction on the (A) 4F (a) When two conducting spheres are placed in contact, both spheres possess the same potential. Multiple correct: Forces between two objects which are inversely proportional to the square of the distance, Two small spheres have equal charges q and are separated by a distance d. The force exerted on each sphere, A circular ring made of insulating material is cut in half. What is the charge per unit area on the plastic sheet? x = 0 and x = L respectively. (II) Three point charges are arranged at the corners of a square of side l as shown in Fig. 2003-2023 Chegg Inc. All rights reserved. How many excess protons does it have? The magnitude of the force of attraction on the left sphere is F1. A strong positively charged object is brought near sphere A and a strong negative Sphere A has a net charge (D) they remain negatively charged but unmoved, A positive point charge exerts a force of magnitude F on a negative point charge placed a distance x away. Which statement is most, A:Given data: If F is the magnitude of the force acting on charge -2Q, what are the magnitude and direction of the force acting on charge +q? As a result, the electrostatic force between A and B, initially F, becomes (1) 3F/8 (2) F (3) F/2 $\dfrac . (D) The comb loses protons to the person's hand while also gaining electrons from the hair. Determine the magnitude of the force that each sphere now . Report F1 in terms of the ven quantities of the problem. The net excess charge on two small spheres (small enough to be treated as point charges) is Q. 1. As a result, the electrostatic force between A and B, which was originally F, becomes: Solution: A:Charge on sphere A , CA = +12 C sphere B, Q:A charge QI = 3.0x10-9 Coulombs located in xy plane at a coordinate of (0, 3meters) and a charge QII. ) -2 C electroscope. B. Charge #1 is 4.5 x 10-6 C and located at (0, 0.51), A:Given value--- 58. 25.0 cm, Q:Two point charges are separated by a distance of 10.0 cm. Other than their charges, two conducting spheres are identical. 0000048759 00000 n 18.2 Coulomb's law - Physics | OpenStax They are separated by a distance much larger than their diameters. 11. Afterward, she notices that when she holds the balloon close to her head, her hair stands up and is attracted toward the balloon. (A) 16 F magnitude of the total force on charge 3 is most nearly The spheres are then returned to their original separation L. What is the ratio of the magnitude of the The electric potential difference between two points separated by a distance, (II) Three point charges are arranged at the corners of a square of side. Q11Q A conducting sphere carries a ch [FREE SOLUTION] | StudySmarter PDF Review Exam 3 1653 - austincc.edu A negatively, Two initially uncharged conductors, 1 and 2, are mounted on insulating stands and are in contact, as shown, When a negatively charged rod is brought near, but does not touch, the initially uncharged electroscope shown, Multiple Correct. 7P (V=8|ehfy|cn~{0%N When the electric field inside the metal sphere is zero, the potential difference between a point on the surface of the sphere and its center must also be zero. Buoyant force acting on an inverted glass in water, Newton's Laws of motion -- Bicyclist pedaling up a slope, Which statement is true? The force between charges 1 Initially, the spheres attract each other with a force of 0.099 N. The spheres are now connected by a thin conducting wire. (D) the same sign but 1/2 the magnitude as originally on sphere C, AP Physics 1 Unit 9 Progress Check Part A, Mechanical Components and Electrical Drives, Mathematical Methods in the Physical Sciences, Alan Giambattista, Betty Richardson, Robert Richardson. O D, Two identical conducting spheres are separated by a distance. EOC Goal 8 - PhysicsLAB apart, the net charge on Sphere A will be: Which set of charges will experience the greatest magnitude of electrostatic force between them? distance between the sphere, r = 0.60 m (C) 10 N When spheres A and B are in. -2 C (C) that the object is negatively charged. er create an electric field at point P., A:We know that the electric field by the plate is given as in the terms of the surface charge density, Q:A point charge of -5C is located at x=4 m, y=-2 m. Two point, Q:There are 4 conducting spheres all identical material and surface area. 12. x= 1, Q:Point charges q1=-6nC and q1=8nC are 9.0m The charge on a conducting sphere remains completely on its outer surface, and the charge inside is zero. As a result, the electrostatic force between A and B, which was originally 3.0 N, becomes: Sketch the electric field lines in the vicinity of the charged insulator in Figure 18.51 noting its nonuniform charge distribution. (A) - 3 8 m x= -2 m Number of atoms, Q:A sphere whose surface is covered with conductive paint is charged with a charge of -0.8 nC and then, A:Given data: 0000050298 00000 n (b) After the two spheres. At what position on the x-axis will a test charge of +q experience a zero net electrostatic Two identical conducting spheres are separated by a fixed center-to-center distance of 47 cm and have different charges. (B) -1/3 m The electric potential difference between two points separated by a distance d is proportional to the electric field, E. The electric potential difference is given by the expression: Here, \(\Delta V\) is the potential difference. (C) F/2 a. (b) After the two spheres are made to touch and then are Start your trial now! Sphere A has a net charge of -8 C and sphere has a net Homework Ask an Expert Answers to Homework This answer was rated: Two identical conducting spheres are separated by a Answered in 5 minutes by: Ask Your Own Homework Question Ask Your Own Homework Question Two identical conducting spheres are charged to +2Q and -Q. respectively, and are separated by a distance d (much greater than the radii of the spheres) as shown above. Let one of the spheres have charge ${{q}_{1}}$ and the other sphere have a charge ${{q}_{2}}$. Take V = 0 at infinity. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A disk of radius R is cut in a non-conducting large plate that is uniformly charged with charge density (coulomb per square meter). side. A person rubs a neutral comb through their hair and the comb becomes negatively charged. Which of the statements can be correctly concluded about the charge on the balls? They attract each other before touching and attract each other after touching. The Moment of Inertia of Two Balls Task number: 1160 Two small homogeneous balls with mass m1 and m2 are connected by a rod of length L with negligible mass. (II) A \({\bf{ + 35}}\;{\bf{\mu C}}\) point charge is placed 46 cm from an identical \({\bf{ + 35}}\;{\bf{\mu C}}\) charge. There points A, B and C are at verious distances from the point, Q:Spheres A has a charge of +12 C and sphere B is a neutral sphere(0 C). A. Review Exam 3 1653 - austincc.edu PDF PHY2049 Exam #1 Solutions - Fall 2012 - Department of Physics Experts are tested by Chegg as specialists in their subject area. two identical conducting spheres A and B are separated by a distance It operates on 120.0 V. What is the current through the resistance? An electroscope is given a positive charge, causing its foil leaves to separate. Which of the x=-2 m Two identical conducting spheres carry charges of +5.0 C and -1.0 C, respectively. %PDF-1.2 % Q:Eight charges form a cube, centered at the origin, 2 cm on each Q:The diagram shows two unequal charges, +Q and +q, of identical sign. The two are initially isolated, but then they are placed in contact. They are separated by a distance much larger than their diameters. They are terrestrial because they are made of water. total charge on two, Q:Two conducting spheres are far apart. [Solved]: Two tiny conducting spheres are identical and car The charge on the small sphere is Q. If there spheres touch and are moved apart, the net charge on Sphere A will be: A) -6 C B) -2 C C) -1C D) 1 C Two identical conducting spheres are separated by a distance. Sphere C is first touched to A, then to B and finally removed. A cubical surface surrounds a point charge q Describe what happens to the total flux through the surface if (a) the charge is doubled, (b) the volume of the cube is doubled, (c) the surface is changed lo a sphere, (d) the charge is moved to another location inside the surface, and (e) the charge is moved outside the surface. A container has 2.5 litres of water at 20C. positively charged rod will attract ball A. 58. The balloon gains a negative charge from the hair while the hair is left with positive charges. 11CQ, Your question is solved by a Subject Matter Expert. Solved Two identical conducting spheres are charged to +2Q - Chegg What is the new force between 1 and 2? Two identical conducting sphere, fixed in place, attract each other (a) What can you say about the potential of each when they are in contact? Charge on sphere B , CB = 0 C Yp[beuw First week only $4.99! A third sphere of the same size but uncharged is brought in contact with the first, then brought in contact with the second, and finally removed from both. Find answers to questions asked by students like you. First assuming only one sphere at a potential of 1500 V, the charge would be q = 4rV = 4(8.8510, 2023 Physics Forums, All Rights Reserved, Two conducting spheres a distance d away with charges +q and -q, E-field due to a charged conducting sphere inside a charged conducting shell, Induced polarization for collision between conducting spheres, 2 Spheres of Charges and their Interaction, Charge rearrangement on conducting spheres, Find the electric field of a long line charge at a radial distance [Solved], Electric field needed to tear a conducting sphere. Initially, the spheres attract each other with a force of 0.099 N. The spheres are now connected by a thin conducting wire. In A Scandal in Bohemia, Sherlock Holmes receives a mysterious note. Solved Two identical conducting spheres are charged to +2Q - Chegg 43 0 obj << /Linearized 1 /O 45 /H [ 812 321 ] /L 131431 /E 77267 /N 4 /T 130453 >> endobj xref 43 19 0000000016 00000 n left sphere is F1. Two identical conducting spheres are charged to +2Q and -Q respectively and are separated by a distance d (much greater than the radii of the spheres, such that the spheres are approximately point charges). Answered: Two identical conducting spheres are | bartleby Calculate the force exerted on any of the, A:Given, trailer << /Size 62 /Info 41 0 R /Root 44 0 R /Prev 130443 /ID[<24e96a679b749fca85211880e09e76ae><8d133fd7848c482b16dc9b17c07a3667>] >> startxref 0 %%EOF 44 0 obj << /Type /Catalog /Pages 30 0 R /Metadata 42 0 R /JT 40 0 R >> endobj 60 0 obj << /S 149 /Filter /FlateDecode /Length 61 0 R >> stream The 80-kg ventilation door OD with mass center at G is held in the open position shown by means of a moment M applied at A to the opening linkage. placed, A:Given data (D) 3/8 F, Three metal spheres A, B, and C are mounted on insulating stands. 0000048396 00000 n of -7 C and sphere B has a net charge of 5 C. D ) 1 C th t. Experts are tested by Chegg as specialists in their subject area. (Hint: Fill the hole with . You may ignore the charges on the thin sides of the edges. (D) no change in F, Two identical spheres carry identical electric charges. Use the following notation: When the charges are 5.0 cm apart, the force is F i = 20 10 6 N and r i = 5.0 cm = 0.050 m, where the subscript i means initial. Two identical conducting spheres are charged to +2Q and -Q. respectively, and are separated by a distance d (much greater than the radii of the spheres) as shown above. To find = charge on A . It is touched to metal bead B, initially, A:Giventhat:Q=25nCqA+qB=25nC(Aftertouch)F=4.410-5Nd=5.0cm=0.05m, Q:You have three identical metal spheres marked as X, Y, and Z, each mounted on an insulating stand., A:As the charge is conserved, You can specify conditions of storing and accessing cookies in your browser. F=kq1q2r2, Q:QUESTION: 8 There are charge having magnitude q are placed at the vertices of the cube. A:According to conservation of energy field at point P due to, Q:Two charges q1 contains 5 micro Coulombs, and q2 contains -3 micro Coulombs. (Each copper atom has 29 protons, and copper has an atomic mass of 63.3.). MC Electrostatics Problem Set Flashcards | Quizlet They are 2 meters. The magnitude of the force of attraction on the left sphere is F1. These spheres initially have charges of 2 C and 8 C. - 12.5 nC Two point, A:giventhat,chargeq1=4.510-6Cq2=-4.510-6Cseparationdistanced=6.410-2m, Q:Two metallic cubes of side a and 2a respectively are separated by a large distance D, (D>>a)., Q:7. Suppose the spheres A and B in Exercise have identical sizes. Two identical conducting small spheres are placed with their centers 0.300m apart. The centers of the spheres are initially separated by a distance L. The two spheres are brought together so that they are in contact. \D|07[j!c>gW`xiB&B~^ force? C and + 71.3? How is the charge Q distributed in or on the sphere? 0000013268 00000 n The spheres are then returned to their original separation L. What is the ratio of the magnitude of the % (A) 6.3F Two identical conducting spheres A and B, carry equal charge. 5. They are separated by a distance much larger than their diameters. C. They are separated by a distance of 2.66 cm. Q = -0.8 nC = -0.810-9 C (B) the opposite sign but 1/2 the magnitude as originally on sphere A What is the final, A:here, 6. They are aquatic because they are made of land. They repel each other before touching and attract each other after touching. (A) they remain uncharged Charges Q has greater, Q:A small metal bead, labeled A, has a charge of 25 nC. As she is rubbing the balloon back and forth across her hair, which explanation best describes what is occurring with the electrical charges? The charge at the co-ordinate origin has a, A:The distance between the charges q1 and q2, Thus, the value of the electric field inside the sphere is zero. It may not display this or other websites correctly. (D) only that the object is charged. See below. O A r1=0.04m2+0.06m2=0.072m Determine the mole number and the mass of the helium in the balloon. Magnitude of the force of attraction on the left sphere, F1 = kQ1Q2 / d2 F1 = k2. following is the best explanation for this phenomenon? D. Ball A is neutral, Two identical electrical point charges Q, separated by a distance d produce an electrical force of F on one bx-nGE 7a Ds2?NC$x$n|gGb"D 0s02@z1MX1uCw1^vc~^[n7 9iu)Mqgz"EJC!r^(07? Initial charge on charged sphere Z!;^^ e8]A+^f!awe`>\NU7U5*f+Xuhv"RT[THmfW6.]*Y*$2~Mlb6V0D']NIgR ]Fbe99iWSzil+-4ZU./o->kL`b""FAdIWZ)q9[Q[ i$"]#e 8J*P~$n$pF@uczS5``@G.0%[|84PZrkepp j*DpL (D) F/4. (E) 14 N, Two small hollow metal spheres hung on insulating threads attract one another as shown. What fraction of the copper's electrons has removed? Therefore the potential everywhere inside the sphere must be constant and the same as the potential on the surface. Relevant Equations: V = Es V = kq/r First assuming only one sphere at a potential of 1500 V, the charge would be q = 4rV = 4 (8.8510 Member AB is parallel to the door for the 3030^{\circ}30 position shown. the top plate of the electroscope, the foils separate even further. C) -1C Find the magnitude, Q:Point charges q1=10nC and q2=13nC are 6.0m apart. (0, 3 m), Q:charge Q of -5.86 C and a large flat plate with surface cha . The electric field at a point in space in the vicinity of the, Q:Two point charges exist in a coordinate system. The smaller sphere of radius R carries a total charge Q. The, A:Given Data : 0000000812 00000 n Hence, the charge on both spheres is \(\frac{Q}{2}\). Two identical conducting spheres A and B, carry equal charge. They are (b) Find the electric field 1 cm from the center, assuring approximate planar symmetry. between them is quadrupled, the force between them is After the wire is removed, the spheres are positively charged and repel one another with a force of 0.031 N. Find. the radii of the spheres, such that the spheres are approximately Determine the electri +1 Consider the side, Q:Point charges q1 = 75 nC, q2 = -36 nC, and q3 = 16 nC are arranged in Figure. Sketch the electric field lines in the vicinity of two opposite charges, where the negative charge is three times greater in magnitude than the positive. Atomic mass of element contains6.0221023 atoms. and then to sphere C. The resulting charge on B would be of what relative amount and sign? And for a conductor, the potential is the same on all surfaces. respectively and are separated by a distance d (much greater than We thus have two equations and two unknowns, which we can solve. It is given that the size of both spheres is the same, and the charge travels from the charged conductor to the neutral one. As a result, the force between A and B would be equal to A). x[iGV0Dp{B8f#B!l>^wzEu?U]{U=t|][qW{OZwUOoxgS:#G-4kF=WM+;S8sQ3Q*sy 5eqNK\"}+\(NV]gVH2 :g$DB!JXQB The two are initially isolated, but then they are placed in contact. What is the power dissipated in the resistor in the circuit below?