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A battery of e.m.f. 10V and internal res...

A battery of e.m.f. 10V and internal resistance `3 Omega` is connected to a resistor. If the current in the circuit is 0.5 A, What is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?

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MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
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