Current Electricity

Related Questions

• The resistance of a wire is $10\,\Omega $. Its length is increased by 10% by stretching. The new resistance will now be

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• All of the following statements are true except

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• Through a semiconductor, an electric current is due to drift of

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• Two batteries of e.m.f. 4V and 8 V with internal resistances $1 \Omega$ and $2 \Omega$ are connected in a circuit with a resistance of $9 \Omega$ as shown in figure. The current and potential difference between the points P and Q are

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• In the figure, current through the resistor is 0.8 ampere, then potential drop through $4\,\Omega $ resistor is

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