JEE Main 2013 Physics question
Let denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric current, then :
Answer: (4)
Solution
From Coulomb's law : , option (4).
Let denote the dimensional formula of the permittivity of vacuum. If M = mass, L = length, T = time and A = electric current, then :
From Coulomb's law : , option (4).