Nichrome has resistivity

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

Nichrome has resistivity

1.1\times10^{-6}\,\Omega\,\text{m}

. What length of nichrome wire of diameter

0.40\,\text{mm}

is required to make a resistor of

5\,\Omega

? (Take

\pi = 3.14

.)

Related theory

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