MCQs: Change in no. of magnetic field lines induces
Category: Physics MCQs, Published by: teswesm
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MCQs: A step-up transform has a turns ratio of 1: 200. An alternating supply of 15 V is connected across the primary coil. The secondary voltage should be
Category: Physics MCQs, Published by: teswesm
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MCQs: The current-carrying loop inside the magnetic field rotate due to the
Category: Physics MCQs, Published by: teswesm
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MCQs: At city substation, the AC is stepped down to
Category: Physics MCQs, Published by: teswesm
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MCQs: A step done transformer has a turns ratio of 100: 1. An ac voltage of amplitude 170 V is applied to the primary. If the current is 1 mA in the primary, the current in the secondary should be
Category: Physics MCQs, Published by: teswesm
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MCQs: Generators produce electric current due to the movement of wires near
Category: Physics MCQs, Published by: teswesm
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MCQs: An electrical switch that opens and closes under the control of another electrical circuit is called
Category: Physics MCQs, Published by: teswesm
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MCQs: The direction of the force on a current-carrying wire in a magnetic field can be found by using
Category: Physics MCQs, Published by: teswesm
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MCQs: A power station generates 600 MW of electrical power which is fed to a transmission line. If the input voltage is 300 Kv, then what current would flow in the transmission line?
Category: Physics MCQs, Published by: teswesm
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MCQs: The process of generating an induced current in a circuit by changing the number of magnetic lines of force passing through it is called
Category: Physics MCQs, Published by: teswesm
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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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