engineering recuitment PGCIL Trainee Supervisor Electrical Mock Test 2024 Electrical Machines DC Motor DC Motor Speed Control
A DC shunt motor running on unsaturated magnetic circuit, when applied with rated voltage is running at 1200 rpm. Now if the supply voltage is halved, what will be the new speed of the motor ?
1
600 rpm
2
1200 rpm
3
1800 rpm
4
2400 rpm