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. Px Charged sphere Neutral nickel block 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 are ruled out by one premise, and some are ruled out by two premises. If a situation is ruled out by two premises, choose both. Case 1: v=0 and Enet=0 D possible not possible by definition of equilibrium 0 not possible because v uEnet

Explanation / Answer

case 1: possible

When the system is in equilibrium net force is zero thus E=0 and we know

v=uE so v=0 is possible.

case2: not possible by definition of equilibrium because if there is no drift speed it means E is zero.

case3: not possible because v=uEnet

case4: not possible by definition of equilibrium

case5: oly case 1is physically possible

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