MCQs: The direction of induced current always
Category: Physics MCQs, Published by: teswesm
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MCQs: If a coil is rotated in a magnetic field, there will be induced a
Category: Physics MCQs, Published by: teswesm
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MCQs: Soft iron can be easily
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MCQs: The direction of the magnetic field is governed by the direction of
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MCQs: An electromagnet is
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MCQs: When the plane of the coil is parallel to the lines of magnetic force, the number of lines of magnetic force passing through the coil will be
Category: Physics MCQs, Published by: teswesm
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MCQs: In coil, the change in the number of magnetic field lines will induce an
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MCQs: The power is transmitted over long distances and high voltages to
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MCQs: To increase or decrease AC voltages, we use
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MCQs: The magnitude of induced e.m.f in a circuit depends on the
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MCQs: The value of induced Electromotive force (EMF) is directly proportional to
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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
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MCQs: A device that converts electric energy into rotational kinetic energy is called
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MCQs: The loop in magnetic field rotates due to
Category: Physics MCQs, Published by: teswesm
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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
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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
Category: Physics MCQs, Published by: teswesm
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