This question focuses on reasoning about equilibrium inside the nickel block sho

Question

This question focuses on reasoning about equilibrium inside the nickel block shown in the figure below. Start with these premises: The definition of equilibrium inside a conductor and The relationship between average drift speed and electric field in a conductor to reason about which situations are possible inside the nickel block at equilibrium. Some of the situations listed below are possible, some ere ruled out by one premise, and some are ruled out by two premises. If a situation is ruled out by two premises, choose both. V bar = 0 and E_net = 0 possible not possible by definition of equilibrium not possible because V bar = UE_net. V bar = 0 and E_net > 0 possible not possible by definition of equilibrium not possible because V bar = UE_net. V bar > 0 and E_net = 0 possible not possible by definition of equilibrium not possible because V bar = UE_net. V bar 0 and E_net > 0 possible not possible by definition of equilibrium not possible because V bar = UE_net. Now that you have considered each case, in equilibrium, which one is the only situation that is physically possible? Case 1 Case 2 Case 3 Case 4

Explanation / Answer

Case 1) Possible

Case 2) Not possible by definition of equilibrium, not possible because v= u Enet

Case 3) not possible because v= u Enet

Case 4) Not possible by definition of equilibrium

Correct option: Case 1

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