DC Motors
The resistance of shunt field winding as compared to series field winding is

None of the listed here
Less
More
The same

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

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

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DC Motors
The speed of a dc motor is

inversely proportional to applied voltage
Directly proportional to flux per pole
None of the listed here
inversely proportional to flux per pole

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