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Electrical Engineering · Q112

Synchronous Motors

Engineering and GATE · Electrical Engineering · question 112

Q112

As the load is applied to a synchronous motor, the motor takes more armature current because

A.
The increased load has to take more current
B.
The rotor by shifting its phase backward causes motor to take more current
Answer
C.
The back e.m.f. decreases causing an increase in motor current
D.
The rotor strengthens the rotating field causing more motor current

Answer: Option B

Solution

Answer: Option B
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