Magnetic induction Magnetic force of induction can be given as F=qvB ⇒ B=
F
qv
[B]=
[F]
[q][v]
=
[MLT−2]
[AT][LT−1]
=[M1T−2A−1] Magnetic Flux Magnetic flux is the product of magnetic inductionand area. ϕ = B ⋅ A [ϕ]=[B][A]=[M1T−2A−1][L2] =[ML2T−2A−1] Magnetic permeability We know that, magnetic field inside the solenoid. B=μ0nI ⇒ μ0=
B
nl
(where, n is number of turns per unit length) ⇒[μ0]=
[B]
[n][l]
=
[MT−2A−1]
[L−1][A]
=[MLT−2A−2] Magnetisation The magnetic dipole moment acquired per unitvolume is known as magnetisation. I=