Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityMiscellaneousMedium2 minQB

PhysicsMediumsingle choice

When a copper wire is heated, its resistance :-

Answer:

Solution:

Copper is a metal with a positive temperature coefficient of resistance.

Heating increases lattice vibrations, which scatter the drifting electrons more.

So resistance increases on heating. Answer: C

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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