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Factors Affecting Resistance & How They Affect

If resistance...

Question

If resistance of sorting of a wire is 1 ohm then the resistance of a similar nichrome wire will be about:?
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Solution

60 ohms because the resistivity of a nichrome is about 60 times more than the resistivity of copper

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Q. If the resistance of a certain copper wire is 1 Ω, then the resistance of a similar nichrome wire will be about:

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(d) 45 Ω

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Q. Resistance of a wire is r ohm. The wire taken is double its length, then its intial resistance in ohm will be

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