MCQOPTIONS
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| 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. \[3.855\times {{10}^{-15}}Nm\] | |