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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MCQs: When the flux crosses the air gap, it bulges outward at the ends of the air gap and the flux density in the air gap is reduced. This is known as
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MCQs: The induced emf sets up the direction of current in such a way that the magnetic field produced by it
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MCQs: Which among the following sentences is correct?
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MCQs: If the magnetic field is stationary and the conductor is in motion then the emf induced is called
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MCQs: “ Total electric flux through any closed surface is equal to the charge enclosed by that surface ”. This is
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