engineering recuitment UPCL AE (E&M) 2021 Mock Test Electrical Machines DC Motor DC Motor Characteristics
A 240v dc shunt motor with an armature resistance of 0.5 has a full load current of 40A. Find out the ratio of the stalling torque to the full load torque when a resistance of 1 ohm is connected in series with the armature.
1
4
2
6
3
12
4
None