Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? Armature current. Field flux. All of these. Applied voltage. Armature current. Field flux. All of these. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by Kef2KfBm2. KefKf2Bm2. Kef2Kf2Bm2. Kef2Kf2Bm. Kef2KfBm2. KefKf2Bm2. Kef2Kf2Bm2. Kef2Kf2Bm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve reduced size. low starting torque. high efficiency. quick acceleration. reduced size. low starting torque. high efficiency. quick acceleration. 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° 60° 30° 10° 45° 60° 30° 10° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by rotor of an synchronous machine. stator of a induction machine. stator of a dc machine. rotor of a dc machine. rotor of an synchronous machine. stator of a induction machine. stator of a dc machine. rotor of a dc machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 100 W, 2000 W. 6000 W, 7000 W. 1000 W, 5040 W. 3190 W, 5040 W. 100 W, 2000 W. 6000 W, 7000 W. 1000 W, 5040 W. 3190 W, 5040 W. ANSWER DOWNLOAD EXAMIANS APP
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