Answer to Question #308285 in Electricity and Magnetism for yengg

Electricity and Magnetism

Question #308285

What is the electric field strength at a point 40 cm from a charge of 5x10⁹ C?

Expert's answer

Electric field

"E=\\frac{kq}{r^2}"

Put value

"E=\\frac{9\\times10^9\\times5\\times10^9}{0.4^2}=2.82\\times10^{20}N\/C"

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