Generate Quiz 6997FF69E80D9

If magnetic field is doubled then magnetic energy density becomes

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The voltage that is applied across X-plates is provided by a circuit called:

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The primary and secondary powers of a transformer are 200W and 100 W respectively, the efficiency of a transformer is:

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A conductor carrying a current ‘I’ has length ‘L’. When it is placed in a magnetic field, ‘B’ at 90 degrees , it experiences a force:

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A loop of radius 1 m is placed on a incline of 60 degree with the magnetic field of 100 T, corresponding flux will be ____.

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A circuit in which there is a current of 10 amperes is changed so that the current falls to zero in 0.5 seconds. If an average e.m.f. of 400 volts is induced, what is the self-inductance of the circuit?

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Voltage in secondary winding is to current in the secondary coil.

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In an experiment, a conductor of length 1.0 m is placed perpendicular to an external magnetic field. The given graph shows how the force on the conductor varies as the current through the

conductor changes. The magnitude of the magnetic field applied in this experiment will be

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When north pole of bar magnet moves towards a conducting loop, induced current flows in

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In which direction Cathode raysdeflected in the presence of magnetic field?

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