By error, a student places moving-coil v...

By error, a student places moving-coil voltmeter `V` (nearly ideal) in series with the resistance in a circuit in order to read the current, as shown. The voltmeter reading will be

A

`0`

B

`4V`

C

`6V`

D

`12V`

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The correct Answer is:

D

Current is nearly zero so voltmeter reading is `12V`

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