Current Electricity

Related Questions

• 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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• There is a current of 1.344 amp in a copper wire whose area of cross-section normal to the length of the wire is 1$m{m^2}$. If the number of free electrons per $c{m^3}$ is $8.4 \times {10^{22}}$, then the drift velocity would be

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• A milliammeter of range 10 mA has a coil of resistance 1 $\Omega$. To use it as voltmeter of range 10 volt, the resistance that must be connected in series with it, will be

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• In the given figure, the equivalent resistance between the points A and B is

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• If only 2% of the main current is to be passed through a galvanometer of resistance G, then the resistance of shunt will be

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