Question

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Q1. point charges 4Q, Q are separated by lm in
air. At what point on the line joining the charges is the electric field intensity zero?Also calculate the electrostatic potential energy of the system of charges, taking the value of charge, Q = 2 ×10^-7C.​

Answer 1

Answer:

At what point on the line joining the charge is the electric field intensity zero? Given, two point charges 4Q and Q seperated by 1 m in air. Let, the point where the electric field intensity is 0 be at a distance x from charge Q. Hence, at a distance 0.3 m from the first charge, electric field intensity is 0.