At high frequencies in an AC bridge, the source is _______(a) tuned amplifiers(b) oscillators(c) vibration galvanometer(d) high voltage sourceThe question was asked by my college professor while I was bunking the class.This intriguing question originated from Sources and Detectors topic in chapter Measurement of Inductance and Capacitance of Electrical Measurements

At high frequencies in an AC bridge, the source is _______(a) tuned am

1.	At high frequencies in an AC bridge, the source is _______(a) tuned amplifiers(b) oscillators(c) vibration galvanometer(d) high voltage sourceThe question was asked by my college professor while I was bunking the class.This intriguing question originated from Sources and Detectors topic in chapter Measurement of Inductance and Capacitance of Electrical Measurements
Answer» The correct answer is (b) OSCILLATORS Easy EXPLANATION: Tuned amplifiers are used as a source of voltage in AC BRIDGES. Electronic oscillators are used as a source of SUPPLY for bridge measurements in an AC bridge circuit at HIGH frequencies.

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