Question

A student performs an experiment to study the magnetic effects of current
around a current carrying conductor. He reports that the direction of the north pole of a compass needle kept at a given point near the conductor gets reversed when the terminals of the battery are interchanged.
a) What is the nature of magnetic field of a straight current carrying conductor?
b) Name and state a rule for finding the direction of this field.
C) Give two factors on which magnitude of field depends.


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Answer 1

Answer:

a) What is the nature of magnetic field of a straight current carrying conductor?

The magnetic field lines around a straight current carrying conductor are in form of concentric circles.

b) Name and state a rule for finding the direction of this field.

The direction of magnetic field produced by a straight current-carrying conductor is given by Maxwell's right-hand thumb rule.

C) Give two factors on which magnitude of field depends.

The magnitude of magnetic field depends on following factors:

Number of loop/turns, N.

Amount of current in coil.

Material inside the cylinder.