engineering recuitment OPSC Assistant Industries Officer Mock Test 2025 Electrical Machines DC Motor DC Motor Starter
Why is the hold-on coil connected in series with the shunt field in a three-point starter of a DC motor?
1
To prevent the motor from running away in case of an open-field circuit
2
To provide the lubricant for the motor
3
To disconnect the supply when the motor is in normal operation
4
To control the speed of the motor