Current Electricity

Related Questions

• In a potentiometer experiment two cells of e.m.f.E1 and E2 are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E2 is reversed, then the balancing length becomes 29 cm. The ratio $\frac{{{E_1}}}{{{E_2}}}$ of the e.m.f. of the two cells is

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• In the shown circuit, what is the potential difference across A and B

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• Lamps used for household lighting are connected in

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• When a current flows through a conductor its temperature

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• A cell whose e.m.f. is 2 V and internal resistance is $0.1\,\Omega $, is connected with a resistance of$3.9\,\Omega $. The voltage across the cell terminal will be

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