Current Electricity

Related Questions

• If two electric bulbs have 40 W and 60 W rating at 220 V, then the ratio of their resistances will be

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• The energy consumed in 1 kilowatt electric heater in 30 seconds will be

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• A battery of 6 volts is connected to the terminals of a three metre long wire of uniform thickness and resistance of the order of 100$\Omega $. The difference of potential between two points separated by 50$cm$ on the wire will be

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• The resistance of a conductor increases with

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• The resistance of an ideal voltmeter is

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