Which of the following instruments can be used in AC bridges for the frequencies up to 100 kHz?
A. Headphones
B. Vibration galvanometer
C. Tunable amplifier detector
D. Any of the above.
Answer:C
Which of the following instruments can be used in AC bridges for the frequencies up to 100 kHz?
A. Headphones B. Vibration galvanometer C. Tunable amplifier detector D. Any of the above.