A point charge is moving along a straight line with a constant velocity v. Consider a small area A perpendicular to the direction of motion of the charge . Calculate the displacement current through the area when its distance from the charge is x. The value of x is not large so that the electric field at any instant is essentially given by Coulomb's law.

A positively charge particle moving along x -axis with a certain velocity enters a uniform electric field directed along positively y-axis. Its

A charged particle of charge 2 muC and mass 10 milligram, moving with a velocity of 1000 m//s enters a uniform electric field of strength 10^(3) N//C directed perpendicular to its direction of motion. Find the velocity and displacement of the particle after 10s .

An infinite line cahrge is perpendicular to the plane of the figure having linear charge density lamda , A partcle having charge Q and mass m is projected in the field of the line cahrge fromo point P. the point P is at a distance R from the line cahrge and velocity given tot he particle is perpendicular tot he radial line at P (see figure) (i). Find the speed of the particle when its distance from the line cahrge grows the etaR(eta gt 1) (ii). Find the velocity component of the particle along the radial line (joining the line charge to the particle) at the instant its distance becomes etaR .

For a particle moving along a straight line, the relation between the velocity and the displacement at any instant is given by v^2=S^2+2S^2+3 Find the acceleration of the particle when it is at a distance of 4 meters from a fixed point on the line.

Velocity and acceleration vectors of charged particle moving perpendicular to the direction of magnetic field at a given instant of time are vecv=2hati+chatj and veca=3hati+4hatj respectively. Then that value of 'c' is

A point charge placed at any point on the axis of an electric dipole at some large distance experiences a force F. What will be the force acting on the point charge when its distance from the dipole is doubled.

A particle moves in a straight line so that its velocity at any point is given by v^(2)=a+bx , where a,b ne 0 are constants. The acceleration is