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Subjects
Science CBSE
Class 10
Magnetic effects of electric current
Textbook questions

1. Exercises I

Exercise condition:

3 m.

1. Which of the following correctly describes the magnetic field near a long straight wire?

The field consists of straight lines perpendicular to the wire.
The field consists of straight lines parallel to the wire.
The field consists of concentric circles centred on the wire.
The field consists of radial lines originating from the wire.

2. The phenomenon of electromagnetic induction is

producing induced current in a coil due to relative motion between a magnet and the coil.
the process of charging a body.
the process of rotating a coil of an electric motor.
the process of generating a magnetic field due to current passing through a coil.

3. The device used for producing electric current is called a

motor
generator
ammeter
galvanometer

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