Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/(1-S) 1-S 1/S S 1/(1-S) 1-S 1/S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 0.1 Ω 50 Ω 100 Ω 10 Ω 0.1 Ω 50 Ω 100 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? triangular peaky in nature flat tapped or trapezoidal saddle shape triangular peaky in nature flat tapped or trapezoidal saddle shape ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as prime mover. power pump. rotating amplifier. rectifier. prime mover. power pump. rotating amplifier. rectifier. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 100 Hz. 50 Hz. Zero Hz. 25 Hz. 100 Hz. 50 Hz. Zero Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load remains unaffected None of these increases decreases remains unaffected None of these increases decreases ANSWER DOWNLOAD EXAMIANS APP