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Electrical Engineering · Q93

D.C. Motors

Engineering and GATE · Electrical Engineering · question 93

Q93

If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens

A.
This will make armature to take heavy current, possibly burning it
Answer
B.
This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses
C.
Nothing will happen to motor
D.
Motor will come to stop

Answer: Option A

Solution

Answer: Option A
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