Current Electricity

Related Questions

• Two resistances are connected in two gaps of a metre bridge. The balance point is 20 cm from the zero end. A resistance of 15 ohms is connected in series with the smaller of the two. The null point shifts to 40 cm. The value of the smaller resistance in ohms is

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• A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of

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• Two rods of same material and length have their electric resistance in ratio 1:2. When both rods are dipped in water, the correct statement will be

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• Electric power is transmitted over long distances through conducting wires at high voltage because

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• In the circuit, if the internal resistance of the battery is 1 ohm, then what is the reading of ammeter

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