Which is the guarding arm?(a) parallel RC combination(b) series RC combination(c) resistance R(d) capacitance CI have been asked this question in an interview for job.My question is from Shielding and Grounding of Bridges in section Measurement of Inductance and Capacitance of Electrical Measurements

Which is the guarding arm?(a) parallel RC combination(b) series RC com

1.	Which is the guarding arm?(a) parallel RC combination(b) series RC combination(c) resistance R(d) capacitance CI have been asked this question in an interview for job.My question is from Shielding and Grounding of Bridges in section Measurement of Inductance and Capacitance of Electrical Measurements
Answer» Correct ANSWER is (B) SERIES RC combination The best I can explain: The series combination of R and C in a Wagner earth device forms a potential divider across the ratio ARMS. It is also KNOWN as the guard arm.

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