A short bar magnet is placed with its north pole pointing north. The neutral point is 10 cm away from the cemtre of the magnet.If B_H=0.4 G, calculate the magnetic moment of the magn

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Q. A short bar magnet is placed with its north pole pointing south. The neutral point is

10 c m

away from the centre of the magnet. If

H = 0.4

Gauss, calculate magnetic moment of the magnet.

Q. A short bar magnet is placed with its south pole towards geographical north. The neutral points are situated at a distance of

20 c m

from the centre of the magnet. If

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

then the magnetic moment of the magnet is :

A bar magnet of magnetic moment $0.4 A m^{2}$ is placed in the magnetic meridian with its north pole pointing north. A neutral point is obtained at a distance of $10 c m$ from the centre of the magnet.If the length of the magnet is $20 c m$ , then the value of horizontal component of earth magnetic induction is:

Q. A bar magnet of length

14 cm

is placed in the magnetic meridian with its north pole pointing towards the geographic north pole. A neutral point is obtained at a distance of

18 cm

from the center of the magnet. If

B_{H} = 0.4 G

, the magnetic moment of the magnet is

(1 G = 10^{- 4} T)

Q. A short bar magnet of moment

3.2 A m^{2}

lies in magnetic meridian with its north pole pointing north. A neutral point is obtained at a distance of

20

cm from the centre of the magnet. Find the horizontal.

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