A solenoid means an insulated copper wire wound closely in the form of a helix.
Where n is no. of turns per unit length, a is the length of the path and I is the current passing through the lead of the solenoid.
A solenoid means an insulated copper wire wound closely in the form of a helix.
Where n is no. of turns per unit length, a is the length of the path and I is the current passing through the lead of the solenoid.
Amazing