In AC bridges, the Wagner earth devices are used to?
A. Remove all the earth capacitances from the bridge circuit
B. Remove harmonics
C. Reduce error caused by stray electric field
D. All of these
Answer:D
In AC bridges, the Wagner earth devices are used to?
A. Remove all the earth capacitances from the bridge circuit B. Remove harmonics C. Reduce error caused by stray electric field D. All of these