Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 50 Hz 0 Hz 25 Hz 100 Hz 50 Hz 0 Hz 25 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Magnetic loss Copper loss Hysteresis loss Eddy current loss Magnetic loss Copper loss Hysteresis loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I/2 and P/2 V/2, I/2 and P/4 V/2, I and P/2 V, I and P V, I/2 and P/2 V/2, I/2 and P/4 V/2, I and P/2 V, I and P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The working principle of transformer depends on Amperes law. Newtons law. Coulombs law. Faradays law of electromagnetic induction. Amperes law. Newtons law. Coulombs law. Faradays law of electromagnetic induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. salient. non uniform cylindrical. none of these. cylindrical. salient. non uniform cylindrical. none of these. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 4.76%. 2.56 %. 2.57 %. 3.76%. 4.76%. 2.56 %. 2.57 %. 3.76%. ANSWER DOWNLOAD EXAMIANS APP