SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical Machines Single Phase Motor and Special Machines
If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be
1
Zero
2
Proportional to rotor speed
3
Proportional to square of rotor speed
4
Constant independent of speed