The electric potential at a distance of 3 m on the axis of a short dipole of dipole moment 4 × 10-12 coulomb-meter is

Question

The electric potential at a distance of 3 m on the axis of a short dipole of dipole moment 4 × 10-12 coulomb-meter is (A) 1.33 × 10-3 V (B) 4 mV (C) 12 mV (D) 27 mV

Tardigrade Admin · Accepted Answer

V=(9 × 109 × 4 × 10-12/9) =4 × 10-3 V =4 mV

Q. The electric potential at a distance of $3 m$ on the axis of a short dipole of dipole moment $4 \times 1 0^{- 12}$ coulomb-meter is

$1.33 \times 1 0^{- 3} V$

$4 mV$

$12 mV$

$27 mV$

$V = \frac{9 \times 1 0 ^{9} \times 4 \times 1 0 ^{- 12}}{9}$
$= 4 \times 1 0^{- 3} V = 4 mV$

Q. The electric potential at a distance of 3m on the axis of a short dipole of dipole moment 4×10−12 coulomb-meter is

1.33×10−3V

4mV

12mV

27mV