Question

Find the net force on a dipole of moment p placed on the arms of a ring of charge Q and radius R Assume x <<R.

• A. Zero
• B. $\frac{2kQp}{R^3}$
  
• C. $\frac{kQp}{R^3}$
  
• D. $\frac{\sqrt{2}kQp}{R^3}$

Answer 1

The correct option is C $\frac{kQp}{R^3}$