Along solenoid that has 1,140 turns uniformly distributed over a length of 0.350 m produces a magnetic field of magnitude 1.00 x 10^-4 t at its center. what current is required in the windings for that to occur? apply the expression for the magnetic field along the axis of a solenoid to find the current.

Explanation:

The magnetic field B inside long solenoid with current I is given as

where

N is number of turn of solenoids = 1140 turns

I is current that passes through solenoid

L is length along which current pass = 0.350 m

plugging value to get required value of current

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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