EXAMIANS
What is the frequency of a alternator, if P = number of poles and N = revolution made per second?
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In applied voltage is reduced in a dc shunt motor
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Which type of bearing is provided in small induction motors to support the rotor shaft?
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Generators work on the principle of production of
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If the field circuit of a DC shunt motor is opened
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If input of a transformer is square wave the output will be
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A 3 - φ induction motor can also be referred to as a
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The counter (or back) emf in a dc machine is 1. the same as generated emf in a dc motor 2. proportional to field flux and armature speed 3. not the same as generated emf in a dc motor 4.inversely proportional to field flux 5. proportional to number of armature conductors 6. constant from no load to full load From these, the correct answer is
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What happens if fifth multiples of harmonics is given to induction motor?
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In a DC machine, the angle between the stator and rotor fields is
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