Current Electricity

Related Questions

• In the adjoining circuit, the e.m.f. of the cell is 2 volt and the internal resistance is negligible. The resistance of the voltmeter is 80 ohm. The reading of the voltmeter will be

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• In an electrolyte $3.2 \times {10^{18}}$ bivalent positive ions drift to the right per second while $3.6 \times {10^{18}}$ monovalent negative ions drift to the left per second. Then the current is

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• In the figure given below, the current passing through $6\,\Omega $ resistor is

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• Two resistors are connected (a) in series (b) in parallel. The equivalent resistance in the two cases are 9 $ohm$ and 2 $ohm$ respectively. Then the resistances of the component resistors are

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• Two cells, e.m.f. of each is $E$ and internal resistance $r$ are connected in parallel between the resistance $R$. The maximum energy given to the resistor will be, only when

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