CSIT Entrance Preparation MCQ Questions - Hamro CSIT

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The inverse square law for illuminance is valid for

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A thunder clap is heard 5.5 seconds after the lightning flash. The distance of the flash is (velocity of sound = 330 m/s)

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When a tuning fork is vibrated its prongs have a phase difference of

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Two charges in air experience a coulomb force of 40 N. The space between them is filled by acetone of dielectric constant 20. The force experienced by them is now

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A condenser of capacitance $$2\mu\text{F}$$ has been charged to 100 V. It is now discharged through a conducting wire. Heat produced in the wire is

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10 billion electrons pass through a wire in one millisecond in a circuit. The current in the circuit is

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The time required for 1 kW heater to raise the temperature of 10 litre of water through 10 K is

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A galvanometer has a resistance of 7Ω and gives a full scale deflection for a current of 1.0 A. How will you convert it into a voltmeter of range 10 V?

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The source of magnetism in any substance is due to

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The equation of an alternating voltage is $$V = 100\sqrt{2}\sin(100\pi t)$$ volt. The rms value of this voltage and frequency are

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