CUET Preparation Today
CUET
Physics
Electric Charges and Fields
If εr is the relative permeability of a medium w.r.t. air, then the ratio Fmedium : Fair is :
εr
1/εr
εr2
1/εr2
Fmedium = \(\frac{q_{1}q_{2}}{4πε0εrr^{2}}\) = \(\frac{Fair }{εr}\)
