Question

The work required to put the four charges from infinity to the position shown here is-

• A. – 0.65 q²/pĪ₀a
• B. – 1.0 q²/pĪ₀a
• C. $\left( 1 - \frac{1}{2\sqrt{2}} \right)q^{2}/\pi \in_{0}a$
• D. Zero

Answer 1

Answer: (A)

– 0.65 q²/pĪ₀a

Answer 2

Work is equal to potential energy of system