Electrical Engineering · Electrical Measurements
In a Schering Bridge, how is the precision in measuring the capacitance of a high-voltage capacitor enhanced?
- 1By using a high-frequency excitation source
- 2Through the use of a precision air-gap capacitor as a reference
- 3Through the application of a variable transformer in the circuit
- 4By incorporating a guard ring to minimize errors due to leakage currents✓
Correct answer
By incorporating a guard ring to minimize errors due to leakage currents
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