In which of the following circuits, A, B, and C, will the cell be used up very rapidly?

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None of the above

answer is A.

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Detailed Solution

Figure A, will the cell be used up very rapidly.[51] There is no bulb in figure (A), the circuit is complete, but it only connects the negative and positive terminals of the cell. And the cell is the source of electricity, but in this situation, current is simply passing through the circuit without being used. When the two terminals of a battery are connected directly with a wire there will be a low resistance path for the current to flow, and the energy of the cell will be used up very rapidly.

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