Multiple Choice Questions on In which one of the following cases Ohm rsquo s law is not valid ........ for General Studies (Level 1) Preparation

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Multiple Choice Questions

In which one of the following cases Ohm rsquo s law is not valid ........

General Science (Easy) Physics
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In which one of the following cases Ohm’s law is not valid?

Wire bound resistor

Incorrect Answer

Potentiometer

Incorrect Answer

Junction diode

Correct Answer

Electric bulb

Incorrect Answer
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Explanation:

Junction diode

-Diode do not supports ohm’s law as Ohm's law is not applicable for unilateral networks. The conductors which does not obey ohm's law is called Non – Ohmic Conductors. Semi – conductors like Germanium and silicon do not obey Ohm's law.

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