Derive an expression for it for a solenoid carrying current
Answers
Answered by
0
Consider a solenoid of length 2l, radius a and having n turns per unit length. It is carrying a current I. ... This is the expression for magnetic field due to a solenoid on the axial line at a distance r from the centre. This magnetic field is also the field due to a bar magnet of magnetic moment m.
Similar questions