EXAMIANS
If the excitation of the synchronous generator fails, it acts as a/an
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In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve
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An electric motor with constant output power will have a torque speed characteristics in the form of a
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A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as
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A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss?
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To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be
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In applied voltage is reduced in a dc shunt motor
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Wave winding is employed in DC machine of
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If the speed of a dc motor increases with load torque, then it is a
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In DC generator, which component plays the vital role to produce the direct current?
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