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Electric Charges and Fields — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectric Charges and Fields1 Mark
MCQ
The formula of torque due to electric dipole is:
  • ✓
    $\vec{\tau}=\vec{p} \times \vec{E}$
  • B
    $\vec{\tau}=\overrightarrow{ E } \times \vec{p}$
  • C
    $\vec{\tau}=\frac{1}{4 \pi \in_0} \vec{p} \times \vec{E}$
  • D
    $\vec{\tau}=\vec{p} \cdot \overrightarrow{ E }$
✓

Answer

Correct option: A.
$\vec{\tau}=\vec{p} \times \vec{E}$
(a)$\vec{\tau}=\vec{p} \times \vec{E}$

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