Which detector(s) are used in AC bridges?

Q.  The commonly used detector(s) in AC bridges is / are
- Published on 10 Sep 15

a. Head phones
b. Vibration galvanometers
c. Tuned amplifiers, head phones
d. Head phones, tuned amplifiers, vibration galvanometers

ANSWER: Head phones, tuned amplifiers, vibration galvanometers

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