Magnetic Flux (𝜙):
In the case of a point pole of strength m webers, the flux density B at distance r is
B=m4πr2 webers/sq meter
∴ Total flux 𝜙 emanating out of strength m webers is
ϕ=flux density×surface area =B×A
=m4πr2×4πr2=m webers
In the case of a point pole of strength m webers, the flux density B at distance r is
B=m4πr2 webers/sq meter
∴ Total flux 𝜙 emanating out of strength m webers is
ϕ=flux density×surface area =B×A
=m4πr2×4πr2=m webers
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