Current Electricity

Related Questions

• When current flows through a conductor, then the order of drift velocity of electrons will be

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• When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be

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• 10 wires (same length, same area, same material) are connected in parallel and each has $1 \Omega$ resistance, then the equivalent resistance will be

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• Two wires A and B of same material and mass have their lengths in the ratio 1 : 2. On connecting them to the same source, the rate of heat dissipation in B is found to be 5W. The rate of heat dissipation in A is

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• Two electric bulbs whose resistances are in the ratio of 1 : 2 are connected in series. The powers dissipated in them have the ratio

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