Two point charges 4Q, Q are separated by 1 m 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 x 10^–7 C.

Suppose that the point be at a distance x from 4Q charge.
Electric field at P due to charge 4Q = Electric field at P due to Q

box enclose straight E space equals kg over straight r end enclose

Electrostatic potential energy of the system is given as
Suppose that the point be at a distance x from 4Q charge.Electric fie

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Two point charges 4Q, Q are separated by 1 m 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 x 10–7 C.

Electrostatic Potential and Capacitance

Physics Part I

Two point charges 4Q, Q are separated by 1 m 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 x 10^–7 C.