Question

Consider a positively charged infinite cylinder with uniform volume charge density $\rho>0$. An electric dipole consisting of +Q and -Q charges attached to opposite ends of a massless rod is oriented as shown in the figure. At the instant as shown in the figure, the dipole will experience,

• A. a force to the left and no torque
• B. a force to the right and a clockwise torque
• C. a force to the right and a counter-clockwise torque
• D. no force but only a clockwise torque.

Answer 1

Answer: (B)

a force to the right and a clockwise torque

Answer 2

The correct answer is option (B): a force to the right and a clockwise torque