Resistance of the wire is measured as 2 Ω and 3 Ω at 10° C and 30° C respectively. Temperature co-efficient of resistance of the material of the wire is:

Current Electricity: JEE Main 2022 Physics question

JEE Main 2022 · 28 Jun, Evening shift · Q6435

JEE Main 202228 Jun, Evening shiftPhysicsEasyCurrent Electricity150× since 2002

Resistance of the wire is measured as 2

\Omega

and 3

\Omega

at 10

^\circ

C and 30

^\circ

C respectively. Temperature co-efficient of resistance of the material of the wire is :