Question

What will be the magnetic field at the centre of the loop of radius r as shown in the figure?
*plz give complete explanation*

Answer 1

Answer:

Current flowing in wire =I

Radius of wire=r

So magnetic field at the centre of loop,

Magnetic field B=

4π

μ

0

​

​

.

r

2πI

​

Here, 2π=θ

∴B=

4πr

μ

0

​

θI

​

So the magnetic field induction at the centre O will B=

4πr

μ

0

​

θI

​

Explanation:

hope u have been understood