Test Index

WBJEE 2015 Physics Solved Paper

© examsnet.com

Question : 36

Total: 40

Two charges +q and –q are placed at a distance ‘a’ in a uniform electric field. The dipole moment of the combinationis 2qa (cos θ

), where θ is the angle between the direction of the field and the line joining the two charges.Which of the following statement(s) is/are correct?

The torque exerted by the field on the dipole vanishes
The net force on the dipole vanishes
The torque is independent of the choice of coordinates
The net force is independent of ‘d’.

Go to Question:

Prev Question

Next Question