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In which one of the following cases Ohm'...

In which one of the following cases Ohm's law is not vaild?

A

Wire bound resistor

B

Potentiometer

C

Junction diode

D

Electric bulb

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Verified by Experts

The correct Answer is:
C

Ohm's law doesn't holdn't hold good in case of non-ohmic resistor such as junction diode.
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