Current Electricity

Related Questions

• A hot electric iron has a resistance of $80\,\Omega $ and is used on a 200 V source. The electrical energy spent, if it is used for two hours, will be

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• Two resistors of resistance ${R_1}$ and ${R_2}$ having .. are connected in parallel. For equivalent resistance $R$, the correct statement is

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• The e.m.f. of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of $2\,\Omega $ is connected as a shunt with the cell, the balance point is obtained at $100\,cm$. The internal resistance of the cell is

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• If a 0.1 % increase in length due to stretching, the percentage increase in its resistance will be

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• Two bulbs are in parallel and they together consume 48 W from a battery of 6 V. The resistance of each bulb is

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