Advertisements
Advertisements
प्रश्न
The intensity of the electric field at a point at a perpendicular distance ‘r’ from an infinite line charge, having linear charge density ‘λ’ is given by:
पर्याय
E = `(1/(4π∈_0))λ/r`
E = `(1/(4π∈_0)) (2λ)/r`
E = `(1/(4π∈_0)) λ/r^2`
E = `(1/(4π∈_0)) (2λ)/r^2`
Advertisements
उत्तर
E = `(1/(4π∈_0)) (2λ)/r`
The intensity of the electric field at a point at a perpendicular distance ‘r’ from an infinite line charge, having linear charge density ‘λ’ is given by: E = `(1/(4π∈_0)) (2λ)/r`
APPEARS IN
संबंधित प्रश्न
What is the amount of work done in moving a point charge Q around a circular arc of radius ‘r’ at the centre of which another point charge ‘q’ is located?
Why must electrostatic field at the surface of a charged conductor be normal to the surface at every point? Give reason?
A charged oil drop weighing 1.6 x 10-15 N is found to remain suspended in a uniform electric field of intensity 2 x 103 Nc-1. Find the charge on the drop.
A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ = kra, where k and a are constants and r is the distance from its centre. If the electric field at r = `"R"/2` is `1/8` times that at r = R, the value of a is ______.
Let there be a spherically symmetric charge distribution with charge density varying as `rho("r") = rho_0(5/4 - "r"/"R")` upto r = R, and `rho("r") = 0` for r > R, where r is the distance from the origin. The electric field at a distance r(r < R) from the origin is given by _________.
Electric field at a point varies as r° for ______.
Electric lines of force about negative point charge are ______
A charge of 4 × 10- 9c is distributed uniformly over the circumference of a conducting ring of radius 0.3 m. Calculate the field intensity at a point on the axis of the ring at 0.4 m from its center and also at the center?
An isolated point charge particle produces an electric field `vecE` at a point 3 m away from it. The distance of the point at which the field is `vecE/4` will be ______.
