The metal plate on the left in figure carries a charge $+ q$ . The metal plate on the right has a charge of $- 2 q$ . What charge will flow through $S$ when it is closed, if central plate is initially neutral

zero

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- q

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+ q

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+ 2 q

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Solution

The correct option is C $+ q$
In steady state the following charges will appear on different faces of the plates.
Net charge on central plate is $+ q$ .

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The metal plate on the left in figure carries a charge +q. The metal plate on the right has a charge of −2q. What charge will flow through S when it is closed, if central plate is initially neutral

The correct option is C +qIn steady state the following charges will appear on different faces of the plates. Net charge on central plate is +q.

The metal plate on the left in figure carries a charge $+ q$ . The metal plate on the right has a charge of $- 2 q$ . What charge will flow through $S$ when it is closed, if central plate is initially neutral

The correct option is C $+ q$
In steady state the following charges will appear on different faces of the plates.
Net charge on central plate is $+ q$ .