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MCQs: In coil, the change in the number of magnetic field lines will induce an
Category: Physics MCQs, Published by: teswesm
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MCQs: The power is transmitted over long distances and high voltages to
Category: Physics MCQs, Published by: teswesm
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MCQs: To increase or decrease AC voltages, we use
Category: Physics MCQs, Published by: teswesm
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MCQs: The magnitude of induced e.m.f in a circuit depends on the
Category: Physics MCQs, Published by: teswesm
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MCQs: The value of induced Electromotive force (EMF) is directly proportional to
Category: Physics MCQs, Published by: teswesm
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MCQs: When the surface is held parallel to the magnetic lines of force, the number of lines of force is
Category: Physics MCQs, Published by: teswesm
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MCQs: The number of magnetic lines of force passing through any surface is called
Category: Physics MCQs, Published by: teswesm
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MCQs: If the secondary voltage is smaller than the primary voltage, the transformer is called a
Category: Physics MCQs, Published by: teswesm
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MCQs: A device that converts electric energy into rotational kinetic energy is called
Category: Physics MCQs, Published by: teswesm
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MCQs: The loop in magnetic field rotates due to
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MCQs: If the coil is placed perpendicular to field lines then the number of lines passing through the coil is
Category: Physics MCQs, Published by: teswesm
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MCQs: If a transformer is used to supply voltage to a 15 V model train which draws a current of 0.7 A. If the voltage of the A.C source is 210 V, the current in the primary should be
Category: Physics MCQs, Published by: teswesm
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MCQs: If the AC source is 240 V and a transformer supplies 12 V to a model train which draws a current of 0.8 A then primary current is
Category: Physics MCQs, Published by: teswesm
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MCQs: The phenomenon of induction of induced current in one coil due to change of current in a neighboring coil is called
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MCQs: If we increase the number of loops, the turning effect would
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MCQs: A coil of wire consisting of many loops is known as
Category: Physics MCQs, Published by: teswesm
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MCQs: As per Michael Faraday, if the forefinger points the direction of the magnetic field, the middle finger in the direction of the current, then the thumb would indicate the direction of
Category: Physics MCQs, Published by: teswesm
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MCQs: If the current in one coil becomes steady then magnetic field lines become
Category: Physics MCQs, Published by: teswesm
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MCQs: At the generating station, the AC voltage is
Category: Physics MCQs, Published by: teswesm
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MCQs: The type of temporary magnet, which is created when current flows through a coil is called an
Category: Physics MCQs, Published by: teswesm
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