What is the magnitude of a point charge due to which the electric field 30 cm away has the
Channel: Doubtnut
Date: 2020-08-30

What is the magnitude of a point charge due to which the electric field 30 cm away has the magnitude `2 N//C [1//4 pi epsi_(0) = 9 xx 10^(9) N - m^(2)//C^(2)]`