To avoid the effect of stray magnetic field in A.C. bridges we can use
A) magnetic screening
B) wagner earthing device
C) wave filters
D) any of the above
Correct Answer:
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Q14: The operating voltage of a meggar is
Q15: Which of the following devices should be
Q16: It is required to measure the true
Q17: In an Anderson bridge, the unknown inductance
Q18: If the current in a capacitor leads
Q20: Standard resistor is made from
A)platinum
B)maganin
C)silver
D)nichrome
Q21: Commonly used standard capacitor is
A)spherical type
B)concentric cylindrical
Q22: The most commonly used null deflector in
Q23: Loss of charge method is used to
Q24: Megger is an instrument used for the
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