Current Electricity

Related Questions

• The conductivity of a superconductor is

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• By increasing the temperature, the specific resistance of a conductor and a semiconductor

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• n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance

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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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• Resistance of one carbon filament and one tungsten lamp are measured individually when the lamp are lit and compared with their respective resistances when cold. Which one of the following statements will be true

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