CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Magnetic Field Due to Current in a Solenoid

A small coil ...

Question

A small coil of N turns has an area A and a current i flows through it. The magnetic dipole moment of the coil will be

A

i NA

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

i^{2}

NA

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

i

N^{2}

A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

iN/A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A i NA
Magnetic dipole moment of small coil of N turns having an area A and a current $i$ is
$M = N i A$

Suggest Corrections

thumbs-up

1

Similar questions

Q. A circular coil of one turn and area

A

carrying a current has a magnetic dipole moment

M

. The current through the coil is :

Q. A circular coil of wire of

n

turns has a radius

r

and carries a current

i

. Its magnetic dipole moment is

M

. Now the coil is unwound and again rewound into a circular coil of half the initial radius and the same current is passed through it, then the dipole moment of this new coil is :

Q. The dipole moment of a coil of an area

A

and number of turns

N

and carrying current

i

Q. The current carrying wire of length

l

I

is coiled into a circular coil of

n

number of turns. The magnetic dipole moment of the coil is

Q. An insulated wire is wound so that it forms a flat coil with

N

turns. The radii of the inner and outermost turns are

r_{1}

r_{2}

respectively. What will be the magnetic moment of this coil when a current

I

flows through it ?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Magnetic Field Due to a Current in a solenoid

PHYSICS

Watch in App

explore_more_icon

Explore more

Magnetic Field Due to Current in a Solenoid

Standard X Physics

Join BYJU'S Learning Program

CrossIcon