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Physics

Magnetic Field

A bar magnet ...

Question

A bar magnet when placed at an angle of 30 degree to the direction of magnetic field induction of 5(10)-2 T,experiencing a moment of couple 25 (10)-6 Nm.If the length of the magnet is5 cm,its pole strength is?

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Similar questions

Q. A bar magnet when placed at an angle of

30^{o}

to the direction of Magnetic field induction

5 \times 10^{- 4} T

experiences a moment of couple of

25 \times 10^{- 6} N m

. If the length of the Magnet is

5 c m

, its pole strength is :

Q. A bar magnet when placed at an angle of

30^{o}

to the direction of magnetic field of induction of

5 \times 10^{- 5} T

, experiences a moment of a couple

2.5 \times 10^{- 6} N - m

. If the length of the magnet is

5 c m

its pole strength is:

Q. A bar magnet when placed at an angle of

30^{\circ}

to the direction of magnetic field induction of

5 \times 10^{- 2} T

, experiences a moment of couple

25 \times 10^{- 6} N - m

. If the length of the magnet is 5 cm its pole strength is

A bar magnet of length $10 c m$ and pole strength $2 A m$ makes an angle $60^{o}$ with a uniform magnetic field of induction $50 T$ . The couple acting on it :

Q. A bar Magnet of pole strength

2 A m

is kept in a magnetic field of induction

4 \times 10^{- 5} W b / m^{2}

such that the axis of magnet makes an angle

30^{o}

with the direction of the field. The couple acting on the magnet is found to be

80 \times 10^{- 7} N m

. Then the distance between the two poles of the magnet is :

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