Which of the following statements are correct?
A. Dipole field depends on the distance r and also on the angle between the position vector $\vec r$ and the dipole moment $\vec p$
B. A comb runs through dry hair acquires charge through friction
C. If surface charge density of a plate is positive, the electric field is directed towards the plate.
D. Electrostatic field lines cannot form closed loops.
E. In a uniform electric field, a dipole experiences a torque and a net force also.
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 1
A. Dipole field depends on the distance r and also on the angle between the position vector $\vec{r}$and the dipole moment $\vec{p}$
B. A comb runs through dry hair acquires charge through friction
C. If surface charge density of a plate is positive, the electric field is directed away from the plate.
D. Electrostatic field lines cannot form closed loops. It starts from positive charge and terminates on negative charge.
E. In a uniform electric field, a dipole experiences a torque and net force is zero.