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Vibration galvanometers are used for ________

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Vibration galvanometers are used for ________

(a) very high frequency

(b) very low frequency

(c) low audio frequency

(d) high audio frequency

The question was posed to me by my college director while I was bunking the class.

The doubt is from Introduction to AC Bridges in section Measurement of Inductance and Capacitance of Electrical Measurements

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Best answer
The correct choice is (c) low audio frequency

Best explanation: Vibration galvanometers are used as detectors in AC bridges for low audio frequency. Low audio frequency ranges from 5 Hz to 1000 Hz.

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