Question
Two identical metallic spheres are charged. One has +Q
charge, the other –Q charge. They are connected by a conducting wire. After equilibrium:Solution
When two conductors are connected by a wire, charges redistribute between them until they reach the same potential .
- Here, the two spheres are identical (same radius, material), so the condition of same potential also implies equal charges eventually.
- Initially, one sphere is +Q and the other −Q.
- When connected, the total charge =+Q+(−Q)= 0, so after redistribution, the total charge must remain zero.
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