Answer to Question #19995 in Electricity and Magnetism for Brian

Electricity and Magnetism

Question #19995

What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?

Expert's answer

the magnitude is
E=kq/r^2 = 9*10^9 N*m^(2) C^(-2) *& 10^(-4)& C / (0.3 m)^2& = 10^7 V/m

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