Two identical metal spheres A and B are connected by a metalrod. Both are initia

Question

Two identical metal spheres A and B are connected by a metalrod. Both are initially neutral. 1.0 * 1012 electronsare added to sphere A, then the connecting rod is removed. A.) Afterward, what is the charge of A? B.) Afterward, what is the charge of B? Two identical metal spheres A and B are connected by a metalrod. Both are initially neutral. 1.0 * 1012 electronsare added to sphere A, then the connecting rod is removed. A.) Afterward, what is the charge of A? B.) Afterward, what is the charge of B?

Explanation / Answer

The charge given to the sphere A = 1 * 10 ^ 12 electrons Spheres A and B are connected with metal rod.So, this chargeis equally shared by two spheres. At this moment rod is removed. So,charge on each sphere Q = ( 1* 10 ^ 12 electrons / 2)                                             = 0.5 * 10 ^ 12 electrons                                             = 0.5 * 10 ^ 12 * - 1.6 * 10 ^ -19 C                                             = - 0.8 * 10 ^ -5 C                                             = -80 * 10 ^ -6 C                                             = - 80 C                                            

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