Question

If E_a be the electric field strength of a short dipole at a point on its axial line and E_e that on the equatorial line at the same distance, then:

विकल्प

• E_e = 2E_a

• E_a = 2E_e

• E_a = E_e

• None of these

Answer 1

E_a = 2E_e

Explanation:

We have E_a = `(2"kp")/"r"^3` and E_e = `"kp"/"r"^3`;

∴ E_a = 2E_e