MCQs: For controlling the initial inrush current,
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MCQs: In India, direct - on - line starter can be used for 3 - phase squirrel cage induction motor up to the rating of
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MCQs: Reduced voltage can be applied across the stator circuit by
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MCQs: If an induction motor is initially connected in delta and then reconnected in star then the current drawn will become
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MCQs: If an extra resistance is connected in the rotor circuit of slip ring induction motor, then
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MCQs: The atomic number of silicon and germanium is
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MCQs: To move electrons from valence band to conduction band, the energy applied to the insulator is
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MCQs: Valence electrons of silicon and germanium are
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MCQs: At low temperature, the semi conductor behaves as a
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MCQs: If an external electric field is applied across the intrinsic semiconductor, then the
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MCQs: According, to Kirchoff’s voltage law
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MCQs: Electrical work is
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MCQs: If a current of 5A flows through a resistor of 12 ohm then the power developed and the energy dissipated in 2 minutes are
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MCQs: The unit of electrical energy is / are
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MCQs: If a number of resistors are connected in parallel, then the reciprocal of total resistance is equal to
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MCQs: Permeability of a material is
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MCQs: The amount of flux density set up in the core is dependent upon
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MCQs: When a solenoid attracts an iron bar,
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MCQs: If two conductors carrying currents in opposite direction are placed parallel to each other then the magnetic field set up by the conductors
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MCQs: According to the End Rule, the current directions when looked from one end of the coil if that end is South Pole and if the end is North Pole are
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