If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens - Study24x7
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23 Mar 2019 09:14 AM study24x7 study24x7

If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens

A

nothing will happen to th£ motor

B

this will make armature to take heavy current, possibly burning it

C

this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses

D

motor will run at very slow speed

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