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प्रश्न
What do you understand by the resistance of a wire?
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उत्तर
The obstruction offered in the flow of electrons (or current) by the material of the wire, is called its resistance.
संबंधित प्रश्न
The device used for measuring potential difference is known as:
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a charge of 1 C passes through it?
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In the figure given below, A, B and C are three ammeters. The ammeter B reads 0.5A. (All the ammeters have negligible resistance.)

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(ii) the total resistance of the circuit.
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Name the instrument which is used to measure the potential difference.
What is the measure of the work done on the unit positive charge to bring it to that point against all electrical forces?
