A uniform current density j flows inside an infinity plate of thickness d parallel to it's surface. The magnetic fleld induction is
A) `mu_0`jx inside the plate at a distance of x from median plane.
B)`mu_0j/(2x)`inside the plate at a distance of x from median plane
C) `mu_0`jd out side the plate
D) 2`μ_0`jd out side the plate

A nonconducting sheet of large surface area and thickness d contains uniform charge distribution of density rho . Find the electric field at a point P inside the plate, at a distance x from the central plane.

Four metallic plates each with a surface area of one side A are placed at a distance d from each other as shown. Then, the capacitance of the system between X and Y is

An equation of a plane parallel to the plane x-2y+2z-5=0 and at a unit distance from the origin is

A light ray is incident at an angle of 45^@ with the normal to a sqrt2 cm thick plate (mu=2.0) . Find the shift in the path of the light as it emerges out from the plate.

An infinite non-conducting plate of charge has thickness d and contains uniform charge distribution fo charge density, which one of the following graphs represents the variation of electric field E(x) with x. (here x is the distance from central plane of non-conducting plate)

A dielectric slab of thickness d is inserted in a parallel plate capacitor whose negative plate is at x=0 and positive plate is at x = 3d . The slab is equidistant from the plates. The capacitor is given some charge. As one goes from 0 to 3d(1998) .

A dielectric slab of thickness t of dielectric constant k and a conducting plate of same thickness is inserted between two parallel conducting plates of cross -section area A and charge q and -q as shown in figure. The distance between two plates is 5t . The potential -distance (V-x) graph will be (Consider potential of positive plate is V_0 and position x=0 , E_0 is electric field in free space)

Two plates of a parallel plate capacitor carry charges q and -q and are separated by a distance a from each other. The capacitor is connected to a constant voltage source V_0 . The distance between the plates is changed to x+dx . Then in steady state.

An air capacitor consists of two parallel plates B as shown in the figure. Plate A is given a change and plate B is given a charge 3Q. P is the median plane of the capacitor. If C_(0) is the capacitor capacitor, then

The distance between the plates of a parallel plate capacitor is 0.04m A field of 5000V//m is established between the plates and an unchanged metal plate of thickness 0.01m is inserted intothe condenser parallel to its plate. Find the p.d . between the plates (a) before the introducing of the metal plate and (b) after its introduction. what would be the p.d. if plate of dielectric constant K=2 is introduced in place of metal plate?