Current Electricity

Related Questions

• The drift velocity does not depend upon

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• What length of the wire of specific resistance $48\times 10^{-8}\mathrm{\Omega m}$ is needed to make a resistance of $4.2 \Omega$ (diameter of wire = 0.4 mm)

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• The resistance of an incandescent lamp is

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• An ammeter gives full scale deflection when current of 1.0 A is passed in it. To convert it into 10 A range ammeter, the ratio of its resistance and the shunt resistance will be

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• The drift velocity of free electrons in a conductor is ‘v’ when a current ‘i’ is flowing in it. If both the radius and current are doubled, then drift velocity will be

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