In a single phase power factor meter the phase difference between the currents in the two pressure coils is
A. exactly 0°
B. approximately 0°
C. exactly 90°
D. approximately 90°
Answer:C
In a single phase power factor meter the phase difference between the currents in the two pressure coils is
A. exactly 0° B. approximately 0° C. exactly 90° D. approximately 90°