16. কোন ধরনের Motor-এর no-load speed সর্বোচ্চ হয়?
Cumulative compound motor
Differntiate compound motor
ব্যাখ্যা: ব্যাখ্যা : At no-load a DC series motor rotates at dangerously high speed. A DC series motor should always be started on load. When the motor is connected across the supply mains without load, it draws small current from the supply mains.