A short bar magnet placed on the table along the north south line. Its north pole is directed towards geographical north then location of neutral points is?

North

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South

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East

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West

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Solution

The correct option is A North
When north pole of the magnet points towards magnetic north $,$ null point is obtained on perpendicular bisector of the magnet $.$
Simultaneously magnetic field due to the bar magnet should be equal to the horizontal component of the earth magnetic field $.$
Hence,
option $(A)$ is correct answer.

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Similar questions

State the positions of neutral points when a magnet is placed with its axis in the magnetic meridian and with its north pole

(i) pointing towards the geographic north,

(ii) pointing towards the geographic south.

20 c m

B_{H} = 0.3 \times 10^{- 4} W b / m^{2}

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