Home
Class 12
PHYSICS
A current i ampere flows in the loop hav...

A current i ampere flows in the loop having circular arc of radius r metre subtending an angle `theta^@`as shown in figure. The magnetic field at centre O of circle is

A

`mu_(0)I theta/4pi r`

B

`mu_(0)I theta/4pi r^(2) sin theta`

C

`mu_(0)/4 i/r theta^(@)/180^(@)`

D

`mu(0)I sin theta /4r`

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Similar Questions

Explore conceptually related problems

A wire bent in the form of a sector of radius r subtending an angle theta^(@) at centre as shown in figure is carrying a current I. The magnetic field at O is :

A current I is flowing through the loop , as shown in the figure . The magnetic field at centre O is

A current l flows through a closed loop as shown in figure .The magnetic field at the centre O is

A current i ampere flows in a circular arc of wire whose radius is R , which subtend an angle 3pi//2 radian at its centre. The magnetic induction B at the centre is

Magnetic field at the centre of a circular loop & arc

A long wire having a semi-circular loop of radius r carries a current I, as shown in Fig. Find the magnetic field due to entire wire.

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is