What is an electric dipole? An electric dipole with dipole moment 4×10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5×10⁴ NC⁻¹. Calculate the magnitude of the torque. **OR** Show that the energy stored in a charged capacitor is E = ½ CV², where the symbols have their usual meaning.

> > [!TLDR] > Either alternative: (a) an electric dipole is a pair of equal and opposite charges separated by a small distance, and the torque here is 1×10⁻⁴ N·m; or (b) the energy stored in a charged capacitor is U = ½CV², derived from the work done in charging it. > …

What is an electric dipole? An electric dipole wit

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Q. What is an electric dipole? An electric dipole with dipole moment 4\times10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5\times10⁴ NC⁻¹. Calculate the magnitude of the torque. OR Show that the energy stored in a charged capacitor is E = ½ CV², where the symbols have their usual meaning.

Assam AhsecAHSEC Higher Secondary (HS) Final Examination 2023Subjective· 3mImportance★★★★★est

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