MCQs: Root mean square value of current is equal to
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MCQs: The ratio of maximum value to effective value of an alternating quantity is called
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MCQs: The two alternating quantities could be added by constructing
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MCQs: The undue deterioration in wiring due to the action of dampness, fumes, weather etc is
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MCQs: For a two - way position control of lamp, the number of switches required is
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MCQs: The voltage of the earthed appliance when it is higher and when it is lower than the earth potential will
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MCQs: Necessity of earthing is to
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MCQs: The most effective earth plate is
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MCQs: Three - phase induction motor is more suitable than single - phase because
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MCQs: Commutator motors have
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MCQs: When windings of 3 - phase induction motor is rotated in a magnetic field, then the emf induced in each phase are of
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MCQs: In a 3 - phase star connected balanced induction motor, the line voltage is equal to the
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MCQs: In a star connected system, the current flowing through the line is
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MCQs: In case of a synchronous generator, armature winding and field winding are
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MCQs: Salient pole type motors have
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MCQs: Short pitched windings are mainly used because it
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MCQs: The number of conductors in synchronous generators is equal to
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MCQs: The steel used for laminations should have
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MCQs: In core type transformer, the coils are wound in helical layers, each layers being insulated from each other by using
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MCQs: In transformer if the secondary is open circuited then its terminal voltage is
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