Current Electricity

Related Questions

• The potential drop across the $3\Omega$ resistor is

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• A galvanometer has resistance of $7\,\Omega $ and gives a full scale deflection for a current of 1.0 A. How will you convert it into a voltmeter of range 10 V

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• For the post office box arrangement to determine the value of unknown resistance the unknown resistance should be connected between

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• Consider the circuit given here with the following parameters. E.M.F. of the cell = 12 V. Internal resistance of the cell $ = 2\,\Omega $. Resistance $R = 4\,\Omega $ Which one of the following statements in true

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• The circuit shown here is used to compare the e.m.f. of two cells ${E_1}$ and ${E_2}({E_1} > {E_2})$. The null point is at C when the galvanometer is connected to ${E_1}$. When the galvanometer is connected to ${E_2}$, the null point will be

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