Question

An electric dipole of moment `vec"p"` is placed in a uniform electric field `vec"E"`. Then ______.

1. the torque on the dipole is `vec"p" xx vex"E"`
2. the potential energy of the system is `vec"p" * vec"E"`
3. the resultant force on the dipole is zero.

Choose the correct option.

Options

• (i), (ii) and (iii) are correct.

• (i) and (iii) are correct and (ii) is wrong.

• only (i) is correct.

• (i) and (ii) are correct and (iii) is wrong.

Answer 1

(i) and (iii) are correct and (ii) is wrong.