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Question

A circular coil of radius 4 cm and of 20 turns carries a current of 3 amperes. It is placed in a magnetic field of intensity of 0.5 . The magnetic dipole moment of the coil is

A

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B

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C

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D

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Solution

The correct option is B

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Similar questions

Q. A circular coil of radius 4 cm and 20 turns carries a current of 3 ampere. It is placed in a magnetic field of 0.5 T. The magnitude of magnetic dipole moment of the coil will be?

Q. A circular coil of radius 4 cm and of 20 turns carries a current of 3 amperes. It is placed in a magnetic field of intensity of

0.5 w e b e r / m^{2}

. The magnetic dipole moment of the coil is

Q. A circular coil of radius 4 cm and 20 turns carries a current of 3 ampere. It is placed in a magnetic field of 0.5 T. The magnitude of magnetic dipole moment of the coil will be?

10

ampere current flows through a coil of radius

\frac{1}{\sqrt{π}} m

20

turns. The magnetic moment of the coil will be:

Q. Two concentric coils each of radius equal to

2 π c m

are placed at right angles to each other.

3

4

ampere are the currents flowing in each coil respectively. The magnetic induction in

W e b e r / m^{2}

at the centre of the coils will be (

μ_{0} = 4 π \times 10^{- 7} W b / A - m

)

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