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A short bar magnet with its north pole facing north forms a neutral point at `P` in the horizontal plane. If the magnet is rotated by `90^(@)` in the horizontal plane, the net magnetic induction at `P` is (Horizontal component of earth's magnetic field `=B_(H))`

A

zero

B

`sqrt3B_(H)`

C

`2B_H`

D

`sqrt5B_(H)`

Text Solution

Verified by Experts

The correct Answer is:
D
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