Charges in Right Triangle

Electricity and Magnetism Level 3

Three equal charges are placed in such a way that they form a right triangle with sides 3 cm, 4 cm and 5 cm. Each charge has a magnitude of \(2\times 10^{-6}\text{C}\).

Find the net force acting on the charge at the right angle.

Details and assumptions:

  • Take \(\dfrac 1{4\pi\epsilon_0} = 9\times 10^9\frac{\text{Nm}^2}{\text{C}^2}\).

  • Round your answer to the nearest integer.


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