In electrodynamometer type wattmeters, pressure coil inductance produc

1.	In electrodynamometer type wattmeters, pressure coil inductance produce error which is:
A.	constant irrespective of power factor
B.	higher at low power factors of load
C.	zero at leading power factors of load
D.	lower at low power factors of load
Answer» C. zero at leading power factors of load

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In electrodynamometer type wattmeters, pressure coil inductance produce error which is:

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