In a Schering bridge the potential of the detector above earth potential is______________?
Correct answer: A. a few volts only
- A. a few volts only
- B. 1 kV
- C. 5 kV
- D. 10 kV
Explanation
The detector in a Schering bridge is connected between points maintained at nearly equal potential, so only a very small voltage appears across it. This protects the sensitive detector even when the bridge is used at high test voltages.
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