Electric field intensity at a point in between two parallel sheets due to like charges of same surface charge densities (σ) is
Options
(a) σ/2ε₀ (b) σ/ε₀ (c) Zero (d) 2σ/ε₀
Correct Answer: […]
When 10¹⁹elecrons are removed from a neutral metal plate through some process, then the charge on it becomes
Options
(a) (+1.6C) (b) (-1.6C) (c) 10¹⁹C (d) 10⁻¹⁹C
Correct Answer:
(+1.6C)
Explanation:
No explanation […]
The S.I. unit of electric flux is
Options
(a) Weber (b) Newton per coulomb (c) Volt x metre (d) Joule per coulomb
Correct Answer:
Volt x metre
Explanation:
No explanation available. Be the […]
A point charge q is situated at a distance r on axis from one end of a thin conductiong rod of length L having a charge Q [uniformly distributed along its length]. The magnitude of […]
Two small spherical shells A and B are given positive charges of 9C and 4C respectively and placed such that their centres are seperated by 10m. If P is a point in between them, where […]
Potential at a point x-distance from the centre inside the conducting sphere of redius r and carrying a charge Q is
Options
(a) Q/R (b) Q/x (c) Q/x² (d) xQ
Correct Answer:
xQ
A total charge of 5µC is distributed uniformly on the surface of the thin walled semispherical cup. If the electric field strength at the centre of the hemisphere is 9×10⁸NC⁻¹, then the radius of the […]
The distance of the closest approach of an alpha particle fired at a nucleus with kinetic energy K is r₀. The distance of the closest approach when the α particle is fired at the same […]
A parallel plate capacitor has 91 plates, all are identical and arranged with same spacing between them. If the capacitance between adjacent plates is 3pF. What will be the resultant capacitance?
Options
(a) […]
An isolated sphere has a capacitance of 50pF. What would be the radius of the sphere?
Options
(a) 90cm (b) 45cm (c) 11.50cm (d) 5.75cm
Correct Answer:
45cm
Explanation:
As potential of spherical charge […]
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