Electrical Machines Alternator operates on the principle of electromagnetic induction. self or mutual induction. self induction. mutual induction. electromagnetic induction. self or mutual induction. self induction. mutual induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S 1/(1-S) 1/S S 1-S 1/(1-S) 1/S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 10° 30° 60° 45° 10° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in shunt motors None of these series motors either of these shunt motors None of these series motors either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running with a divertor connected across its field winding. If the divertor resistance is reduced then the speed of the motor will increase. become execessively high. remain unaltered. decrease. increase. become execessively high. remain unaltered. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Copper losses Eddy current losses Both 1 and 2 Hysteresis losses Copper losses Eddy current losses Both 1 and 2 Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
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