Which of the following is the guarding arm? - Measurements and Instrumentation

Electronics and Communication Engineering (ECE) : Measurements and Instrumentation - Quiz(MCQ)

Which of the following is the guarding arm?

resistance R

capacitance C

parallel RC combination

series RC combination

Correct Answer : Option (C) : parallel RC combination

Explanation : 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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