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Electromagnetic Induction

Electromagnet...

Question

Electromagnetic induction means-
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.

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Solution

Electromagnetic induction means generation of a current in a coil due to relative motion between the coil and the magnet.

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Similar questions

The phenomenon of electromagnetic induction is

(a) the process of charging a body

(b) the process of generating magnetic field due to a current passing through a coil

(c) producing induced current in a coil due to relative motion between a magnet and the coil

(d) the process of rotating a coil of an electric motor

Q. Question 2
The phenomenon of electromagnetic induction is
(a) the process of charging a body.
(b) the process of generating magnetic field due to a current passing through a coil.
(c) producing induced current in a coil due to relative motion between a magnet and the coil.
(d) the process of rotating a coil of an electric motor.

Q. Electricity is produced in the coil of a generator when there is relative motion between coil and magnet.

Q. The electric current in a circular coil of two turns produced a magnetic induction of

0.2 T

at its centre. The coil is unwound and is rewound into a circular coil of four turns. The magnetic induction at the centre of the coil now is, in

T

:
(if same current flows in the coil)

Q. A circular coil of radius

R

carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at distance

x (x >>> R)

is measured. If the current in coil is halved and distance of the point at axis is doubled, the new magnetic field will be:

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