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In an L−R circuit connected to a battery of constant e.m.f E, switch S is closed at time t = 0. If e denotes the magnitude of induced e.m.f across inductor and i the current in the circuit at any time t. Then which of the following graphs shows the variation of e with i ? |
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Answer» In an L−R circuit connected to a battery of constant e.m.f E, switch S is closed at time t = 0. If e denotes the magnitude of induced e.m.f across inductor and i the current in the circuit at any time t. Then which of the following graphs shows the variation of e with i ? |
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