Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv2. Bl2v. Bl2v2. Blv. Blv2. Bl2v. Bl2v2. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under trailing pole tips in case of generator will decrease None of these either increase or decrease increase decrease None of these either increase or decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on surface area. air velocity. temperature difference. color of the paint. surface area. air velocity. temperature difference. color of the paint. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at None of these throughout the air gap. region under main pole. interpole region. None of these throughout the air gap. region under main pole. interpole region. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed It will run in opposite direction. It will run in same direction. motor will become slow. motor will not run. It will run in opposite direction. It will run in same direction. motor will become slow. motor will not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. wound. linear. none of these. cage. wound. linear. none of these. cage. ANSWER DOWNLOAD EXAMIANS APP
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