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Physics GK · all questions

Electricity and Magnetism
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The amount of electrical energy consumed. When using 1 kW of power for 1 hour in a circuit. Show it in joules.

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The induced current is highest when the direction of motion of the coil is . . . . . . . . relative to the magnetic field ?

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In the circuit given below, what is the current flowing in 6Ω resistances?
Electricity and Magnetism mcq question image

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Which of the following components store energy in the form of electrical charges?

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Where are electrical switches are connected?

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The fuse in our domestic electric circuit melts, when there is a high rise in

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If an iron on which 1,000 W is inscribed it run for 3 hours daily, then the total energy consumed by it in 30 days will be in kWh-

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What is the statement of Coulomb's law?

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Three resistors 5 Ω, 6 Ω, 4 Ω are connected in series. The total resistance will be . . . . . . . .

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At which place earth's magnetic field becomes horizontal?

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Battery capacity is expressed in . . . . . . . .

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Mutual inductance of few coils can be increased by

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mho' is the unit of . . . . . . . . of a substance.

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Which of the following is a vector quantity?

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Which of the following is not a basic component of a transformer:

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A wire with black insulation during electric supply is

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How much work is done in moving a charge of 2C across two points having a potential difference 10 V?

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Ohm's law describes the relation between . . . . . . . . and . . . . . . . .

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Nickel-Cadmium (Ni-Cd) battery is used in

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A given conductor carrying a current of 1 ampere. It produces an amount of heat equal to 2000 J. If the current through the conductor is doubled, then the amount of heat produced will be

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