Question

Determine the value of the current in the solenoid so that the magnetic field at the center of the loop is zero tesla. Justify your answer.

Answer 1

I will explain the concept of magnetic field and how it can be calculated.

Step-by-step explanation:

The formula for magnetic field at the center of a loop is given as

B = μ
`_(o)`I / 2R

where B is the magnetic field

R is the radius of the loop

I is the current

and μ
`_(o)` is the magnetic permeability of free space which is a constant 4π ×
`10^(-7)` newtons/ampere²

If the magnetic field at the center of the loop is 0, then μ
`_(o)`I = 0

I = 0 which means there will be no current flow in the loop.