Physics · Current Electricity

The temperature coefficient of resistance (α) of a material between temperatures t 1 and t 2 (where R 0 is resistance at t 1 and R t is resistance at t 2 ) is given by:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1R t - R 0 R 0 (t 2 - t 1 )✓
2R t - R 0 R 0 (t 2 + t 1 )
3R t R 0 (t 2 - t 1 )
4R 0 - R t R t (t 1 - t 2 )

Correct answer

R t - R 0 R 0 (t 2 - t 1 )

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The temperature coefficient of resistance (α) of a material between temperatures t 1 and t 2 (where R 0 is resistance at t 1 and R t is resistance at t 2 ) is given by:

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The temperature coefficient of resistance (&alpha;) of a material between temperatures t 1 and t 2 (where R 0 is resistance at t 1 and R t is resistance at t 2 ) is given by:

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The temperature coefficient of resistance (α) of a material between temperatures t 1 and t 2 (where R 0 is resistance at t 1 and R t is resistance at t 2 ) is given by: