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It is possible to measure the voltage across the potential barrier through a voltmeter?

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It is possible to measure the voltage across the potential barrier through a voltmeter?

(a) True

(b) False

I had been asked this question in an international level competition.

The doubt is from The P-N Junction as a Diode topic in chapter Semiconductor-Diode Characteristics of Electronic Devices & Circuits

1 Answer

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The correct option is (b) False

Easy explanation: The contacts of the voltmeter have some resistance which will not accurately measure the voltage across the potential barrier. Thus, it is not possible to measure the voltage across the potential barrier.

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