A synchronous motor installed at the end of a transmission line is operating at lagging power factor. With the fall in supply voltage, the power factor of the synchronous motor will
A. go down.
B. improve.
C. remain unchanged.
D. none of these.
Answer:B
A synchronous motor installed at the end of a transmission line is operating at lagging power factor. With the fall in supply voltage, the power factor of the synchronous motor will
A. go down. B. improve. C. remain unchanged. D. none of these.