A dipole placed in a uniform electric field of magnitude has a potential energy of…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

A dipole placed in a uniform electric field of magnitude

2.0\times10^{3}\,\text{N\,C}^{-1}

has a potential energy of

6.0\times10^{-25}\,\text{J}

when the angle between its dipole moment and the field is

120^{\circ}

. Determine the magnitude of the dipole moment. (a)

3.0\times10^{-28}\,\text{C\,m}

(b)

3.7\times10^{-28}\,\text{C\,m}

(c)

6.0\times10^{-28}\,\text{C\,m}

(d)

1.2\times10^{-27}\,\text{C\,m}