Question

The resistance of a copper wire is 20 ohm at 0°C. Find the resistance coefficient of resistance of material is 0.004/°C.​

Answer 1

Answer:

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Given:

R0=10ΩTi=0∘CTf=100∘Cα=0.004/∘C

R1=R0(1+αt)

=10(1+0.004×100)

=14Ω

Answer 2

Answer:

Given:

R0=10ΩTi=0∘CTf=100∘Cα=0.004/∘C

R1=R0(1+αt)

=10(1+0.004×100)

=14Ω