✓ Board-verified
Physics · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 1 · Q1
Two horizontal plates, separated by 1 cm, are arranged one above the other. A particle of mass 5 mg and charge 2 nC is released in air between the…
Two horizontal plates, separated by $\displaystyle 1$ cm , are arranged one above the other. A particle of mass $\displaystyle 5$ mg and charge $\displaystyle 2$ nC is released in air between the plates. The potential difference that should be applied to the plates so that the particle remains suspended between them, is :
Official answer
(A)
$\displaystyle 250$ V
All Electrostatic Potential and Capacitance questions2025 question paperNCERT solutions: Electrostatic Potential and CapacitancePractice Electrostatic Potential and Capacitance →
More from Electrostatic Potential and Capacitance
- (i) A parallel plate capacitor with plate area A and plate separation d has a capacitance C_0. A slab of dielectric constant K having area A and…2025
- (i) In the figure, OA and OB show the variation of electric potential V at a point due to two point charges Q_1 and Q_2 with 1/r respectively. Here r…2026
- A point charge q_0 is moving along a circular path of radius a, with a point charge -Q at the centre of the circle. The kinetic energy of q_0 is2023
- The effective capacitance of the network between points A and B shown in the figure is:2025
- Two metal spheres of radii r_1 and r_2(>r_1) having charges q_1 and q_2 respectively kept in air, are brought in contact. Which of the following…2026
- (i) Explain the following statements giving reason: (I) An equipotential surface through a point is normal to the electric field at that point. (II)…2026
- A parallel plate capacitor has plate area A and plate separation d. Half of the space between the plates is filled with a material of dielectric…2025
- A thin spherical conducting shell of radius R has a charge q. A point charge Q is placed at the centre of the shell. Find (i) the charge density on…2024
CBSE Class 12 Physics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.