To measure power-supply voltage being used by a circuit, a voltmeter ___

To measure power-supply voltage being used by a circuit, a voltmeter

A. Is placed in series with the circuit that works from the supply.
B. Is placed between the negative pole of the supply and the circuit working
from the supply.
C. Is placed between the positive pole of the supply and the circuit working
from the supply.
D. Is placed in parallel with the circuit that works from the supply.

Show Answer

Answer: D

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