Question

Two charges $+3.2\times {10}^{-19}$ and $-3.2\times {10}^{-19}$ C placed $2.4\dot{A}$ apart form an electric dipole. It is placed in a uniform electric field of intensity $4\times {10}^5$ volt/m. The electric dipole moment is

• A. $15.36\times {10}^{-29}Coulomb\times m$
• B. $15.36\times {10}^{-19}Coulomb\times m$
• C. $7.68\times {10}^{-29}Coulomb\times m$
• D. $7.68\times {10}^{-19}Coulomb\times m$

Answer 1

The correct option is C $7.68\times {10}^{-29}Coulomb\times m$

Dipole moment p = q (d)
$=3.2\times {10}^{-19}\times (2.4\times {10}^{-10})=7.68\times {10}^{-29}C-m$