1.

If the dipole of moment \[2.57\times {{10}^{-17}}cm\] is placed into an electric field of magnitude \[3.0\times {{10}^{4}}N/C\]such that the fields lines are aligned at \[30{}^\circ \] with the line joining P to the dipole, what torque acts on the dipole?

A. \[7.7\times {{10}^{-13}}Nm\]
B. \[3.855\times {{10}^{-13}}Nm\]
C. \[3.855\times {{10}^{-15}}Nm\]
D. \[7.7\times {{10}^{-15}}Nm\]
Answer» C. \[3.855\times {{10}^{-15}}Nm\]


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