The value of electric field at the centre of hollow spherical metallic shell of radius 5m having positive charge of 10C is

(a) `2 NC^-1`

(b)`0 NC^-1`

(c) `10 NC^-1`

(d) `5 NC^-1`

Find the magnitude of electric potential at the origin due to following charge distribution ( If q= 1 Nc ) .

The electric field at (30, 30) cm due to a charge of -8nC at the origin in NC^(-1) is

A total charge of 5 muC is distributed uniformly on the surface of the thin walled semispherical cup. If the electric field strength at the centre of the hemisphere is 9xx10^(8) NC^(-1) , then the radius of the cup is (1/(4pi epsi_(0))=9xx10^(9) N-m^(2) C^(-2))

The electric field due to a charge at a distance of 3 m from it is 500 NC^(-1) . The magnitude of the charge is [(1)/(4 pi epsi_(0)) = 9 xx 10^(9) N - m^(2)//C^(2)]

The electric potential on the surface of a sphere of radius R and charge 3xx10^(-6) C is 500 V The intensity of electric field on the surface of the sphere ( in NC^(-1)) is

We have an isolated conducting spherical shell of radius 10 cm . Some positive charge is given to it so that the resulting electric field has a maximum intensity of 1.8 xx 10^6 NC^-1 . The same amount of negative charge is given to another isolated conducting spherical shell of radius 20 cm . Now, the first shell is placed inside the second so that both are concentric as shown in (Fig. 3.154). . The electric field intensity just inside the outer sphere.

We have an isolated conducting spherical shell of radius 10 cm . Some positive charge is given to it so that the resulting electric field has a maximum intensity of 1.8 xx 10^6 NC^-1 . The same amount of negative charge is given to another isolated conducting spherical shell of radius 20 cm . Now, the first shell is placed inside the second so that both are concentric as shown in (Fig. 3.154). . The electric potential at any point inside the first shell is.

We have an isolated conducting spherical shell of radius 10 cm . Some positive charge is given to it so that the resulting electric field has a maximum intensity of 1.8 xx 10^6 NC^-1 . The same amount of negative charge is given to another isolated conducting spherical shell of radius 20 cm . Now, the first shell is placed inside the second so that both are concentric as shown in (Fig. 3.154). . The electrostatic energy stored in the system is.

We have an isolated conducting spherical shell of radius 10 cm . Some positive charge is given to it so that the resulting electric field has a maximum intensity of 1.8 xx 10^6 NC^-1 . The same amount of negative charge is given to another isolated conducting spherical shell of radius 20 cm . Now, the first shell is placed inside the second so that both are concentric as shown in (Fig. 3.154). . If both the spheres are connected by a conducting wire, then.

Imagine a short diploe at the center of a spherical surface. If the magnitude of the electric field at a certain point on the surface of he sphere is 10NC^(_1) then which of the following cannot be the magnitude of the electric field anywhere on the surface of the sphere?