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
0
B
`2B_(H)`
C
`sqrt(5)/(2)B_(H)`
D
`sqrt(5)B_(H)`
Text Solution
Verified by Experts
The correct Answer is:
D
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