Electromagnetic induction means *
1 point
a. Charging of an electric conductor
b. Production of magnetic field due to a current flowing through a coil
c. Generation of a current in a coil due to relative motion between the coil and the magnet.
d. Motion of the coil around the axle in an electric motor
Answers
1)The phenomenon of electromagnetic induction is. the process of charging a body. the process of generating magnetic field due to a current passing through a coil. producing induced current in a coil due to relative motion between a magnet and the coil.
2)Electric Fields Inside of Charged Conductors. ... If the electrons within a conductor have assumed an equilibrium state, then the net force upon those electrons is zero. The electric field lines either begin or end upon a charge and in the case of a conductor, the charge exists solely upon its outer surface.
3)When a current flows in a wire, it creates a circular magnetic field around the wire. This magnetic field can deflect the needle of a magnetic compass.
4)Electromagnetic induction is a phenomenon in which a changing magnetic field across a loop of wire results in the generation of an induced emf. When there is relative motion between a magnet and the coil, magnetic flux changes and hence an electromotive force is generated in the coil.
5)In an electric motor, a rectangular coil is suspended between the two poles of a magnetic field. ... Thus, the coil completes one rotation around the axle. Continuation of this process keeps the motor in rotation. In commercial motor, electromagnet; instead of permanent magnet; and armature is used.
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