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NEET-XII-Physics

39: Alternating Current

with Solutions - page 3
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  • #5
    The AC voltage across a resistance can be measured using
    (a) a potentiometer
    (b) a hot-wire voltmeter
    (c) a moving-coil galvanometer
    (d) a moving-magnet galvanometer
    digAnsr:   b
    Ans : (b) a hot-wire voltmeter
    Only a hot-wire voltmeter can be used to measure an AC voltage across a resistor.
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