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Electromagnetic Induction

Thephenomenon...

Question

Thephenomenon of electromagnetic induction is
(a) theprocess of charging a body
(b) the process of generating magnetic field due to a current passingthrough a coil
(c) producing induced current in a coil due to relative motionbetween a magnet and the coil
(d) theprocess of rotating a coil of an electric motor

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Solution

(c) When a straight coil and a magnet are moved relative to eachother, a current is induced in the coil. This phenomenon is known aselectromagnetic induction.

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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. Consider a current carrying coil placed in a magnetic field. What are the requirements for induced current to flow as per electromagnetic induction.

Q. State the rule to determine the direction of current induced in a coil due to its rotation in a magnetic field.

Q. (a) Two circular coils A and B are placed closed to each other. If the current in the coil A is changed will some current be induced in the coil B? Give reason?
(b) State the rule to determine the direction of a:
(i) Magnetic field produced around a straight conductor carrying current.
(ii) Force experienced by a current straight conductor placed in a magnetic field which is perpendicular to it.
(iii) Current induced in a coil due to its rotation in a magnetic field.

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