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MCQs: A generator inside a hydroelectric dam uses electromagnetic induction to convert the mechanical energy of a spinning turbine into
Category: Physics MCQs, Published by: teswesm
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MCQs: In A.C generator increasing the no. of turns in the coil
Category: Physics MCQs, Published by: teswesm
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MCQs: The Electromotive force (EMF) developed by the generator depends upon
Category: Physics MCQs, Published by: teswesm
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MCQs: The total force acting on the armature can be increased by increasing the
Category: Physics MCQs, Published by: teswesm
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MCQs: In the transformer, if the secondary voltage is more than the primary voltage then it is called
Category: Physics MCQs, Published by: teswesm
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MCQs: The magnetic field produced either by permanent magnets or by an electromagnet called a
Category: Physics MCQs, Published by: teswesm
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MCQs: A magnetic field must produce a/an
Category: Physics MCQs, Published by: teswesm
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MCQs: Transformers only work with
Category: Physics MCQs, Published by: teswesm
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MCQs: An ideal transformer dissipates
Category: Physics MCQs, Published by: teswesm
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MCQs: The mechanical energy of our hand used to push the magnet towards or away from the coil results into
Category: Physics MCQs, Published by: teswesm
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MCQs: The metal detectors installed at airports and other places for security purpose are based on the principle of
Category: Physics MCQs, Published by: teswesm
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MCQs: Significant magnetic fields can be produced in
Category: Physics MCQs, Published by: teswesm
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MCQs: When a coil rotates in a magnetic field, the induced current in it continuously changes from
Category: Physics MCQs, Published by: teswesm
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MCQs: The number of coils in a transformer is
Category: Physics MCQs, Published by: teswesm
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MCQs: A simple method of finding the direction of the magnetic field around the conductor is the
Category: Physics MCQs, Published by: teswesm
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MCQs: A high voltage transformer can reduce the voltage keeping the power
Category: Physics MCQs, Published by: teswesm
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MCQs: When a generator is connected in a closed circuit, the induced e.m.f generates
Category: Physics MCQs, Published by: teswesm
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MCQs: The study of magnetic effects of current is called
Category: Physics MCQs, Published by: teswesm
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MCQs: As per Faraday's law of electromagnetic induction, the value of induced electromotive force in a circuit is directly proportional to the rate of change of the number of
Category: Physics MCQs, Published by: teswesm
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MCQs: The direction of induced current always
Category: Physics MCQs, Published by: teswesm
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