Three infinitely long charged sheets are placed as shown in the figure. The electric force acting on a charge -q placed at the point P is ( = . surface charge density, ₀= permittivity of the free space)

Step-by-step solution

According to the question, Given, surface charge density = permittivity of the free space = ₀ Now, the electric force acting on a charge -q at a place the point P , aligned & & F _P & =- 2 ₀ k - 2 2 ₀ k - 2 ₀ k & or & & =- 4 2 ₀ k or F _p= -2 ₀ k aligned