✓ Board-verified
Physics · 2023 · 2 marks
CBSE 2023 · Region 5 · Set 1 · Q22
Depict the orientation of an electric dipole in (a) stable and (b) unstable equilibrium in an external uniform electric field. Write the potential…
Depict the orientation of an electric dipole in (a) stable and (b) unstable equilibrium in an external uniform electric field. Write the potential energy of the dipole in each case.
Marking-scheme solution
(a) ⟶ \(\displaystyle \vec{E}\)
\[\theta=0^{0}
\]
\[\mathrm{U}=-\mathrm{pE}
\]
All Electric Charges and Fields questions2023 question paperNCERT solutions: Electric Charges and FieldsPractice Electric Charges and Fields →
More from Electric Charges and Fields
- (i) Two point charges +q and -q are held at (a, 0) and ( -a, 0 ) in x-y plane. Obtain an expression for the net electric field due to the charges at…2025
- An electric dipole of dipole moment 1.0 × 10^-12 Cm lies along x -axis. An electric field of magnitude 2.0 × 10^4 NC^-1 is switched on at an instant…2025
- An electric dipole consists of two point charges q and -q separated by a distance 2a. Derive an expression for the electric field E due to this…2026
- (i) Define electric flux and write its SI unit. (ii) Use Gauss' law to obtain the expression for the electric field due to a uniformly charged…2023
- Two small solid metal balls A and B of radii R and 2 R having charge densities 2 σ and 3 σ respectively are kept far apart. Find the charge densities…2025
- Define the term 'electric flux' and write its dimensions. A plane surface, in shape of a square of side 1 cm is placed in an electric field E=(100…2024
- Three small charged spheres X, Y and Z carrying charges +q,-q and +q respectively are placed equidistant from each other, as shown in the figure. The…2024
- An electric dipole P=2 qa i is placed in x-y plane, centred at the origin. Let E_1 and E_2 be the magnitudes of electric field at a point distant r…2026
CBSE Class 12 Physics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.