Question

A current lis flowing in a loop of radius r as shown in figure. The magnetic field induction at the centre
O will be

Answer 1

To determine the magnetic field at the centre due to a current carrying conductor arc we have the formula..

B = kIθ/r

where r is radius of arc, k = 10^(-7), I is the current and θ is the angle suspended by the arc.

thus in the question

(d) is the correct option

plz mark it as brainliest

b..bye

#ANSWERWITHQUALITY

#BAL

Answer 2

Answer:

(4) μ₀I θ / 4πr

Explanation:

Given,

Current flowing in wire = I

Radius of wire= r

So magnetic field at the centre of loop,

Magnetic field B =  (μ₀ / 4π ) x (2πI/r)

​ Here, 2π = θ

∴B =  μ₀ θI / 4πr

So the magnetic field induction at the centre O will B =  μ₀ θI / 4πr