Question

The magnetic induction at a point on the
axial line of a short magnet is 10 Tesla east.
The magnetic induction at the same point
when the magnet is rotated in the anti-clock
wise direction by 90° and 180° are

Answer 1

The magnetic induction would be 5T South and 10T West if the magnet is rotated anti-clockwise.

Explanation:

Magnetic induction is described as the procedure in which a magnetic material or conductor acquires magnetism in a magnetic field. If a conductor is placed in a variable magnetic field, the magnetic force produced between the ends of that conductor is called magnetic induction.

Given that,

A short magnet's magnetic induction = 10 Tesla

To find,

The magnetic induction of the exact nib when the magnet is rotated 90° and 180° = ?

So,

When rotated 90° = 5 Tesla South             (beginning from East and moving down)

When rotated 180° = 10 Tesla West                 (opposite of East)

Thus, option B is the correct answer.

Learn more: Magnetic Induction

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