HOW DOES A SOLENOID WORK?

The term ‘solenoid’ was given by Andre’-Marie Ampere, French physicist, to designate a helical coil. A solenoid is more commonly described as a coil which winded into a tightly packed helix. The coil’s length is greater than that of its diameter, wrapped around a metallic core, producing a uniform magnetic field in the volume of space whenever an electric current is passed through it.

WHAT ARE THE CONCEPTS RELATED TO AMPERE’s LAW?

The Ampere’s Law states that for a closed loop path, the sum of the length elements, times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.

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