Chapter 17 – Electric Charge and Field
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 17 - Electric Charge and Field
A uniformly charged and infinitely long line having a liner charge density λ is placed at a normal distance y from a point O. Consider a sphere of radius R with O as the center and R>y. Electric flux through the surface of the sphere is :
06
Dec
A uniformly charged and infinitely long line having a liner charge density λ is placed at a normal distance y from a point O. Consider a sphere of radius R with O as the center and R>y. Electric flux through the surface of the sphere is : An uncharged aluminum block has a cavity within [...]
Flux passing through the shaded surface of a sphere when a point charge q is placed at the center is (radius of the sphere is R)
06
Dec
Flux passing through the shaded surface of a sphere when a point charge q is placed at the center is (radius of the sphere is R) Flux passing through the shaded surface of a sphere when a point charge q is placed at the center is (radius of the sphere is R) December 6, 2020 [...]
A positively charge sphere of radius r0 carries a volume charge density ρ. A spherical cavity of radius r0/2 is then scooped out and left empty. C1 is the center of the sphere and C2 that of the cavity. What is the direction and magnitude of the electric field at point B?
06
Dec
A positively charge sphere of radius r0 carries a volume charge density ρ. A spherical cavity of radius r0/2 is then scooped out and left empty. C1 is the center of the sphere and C2 that of the cavity. What is the direction and magnitude of the electric field at point B? If the flux [...]
A nonconducting sphere of radius R is filled with uniform volume charge density −ρ. The center of this sphere is displaced from the origin by d→. The electric field E→ at any point P having position vector inside the sphere is
06
Dec
A nonconducting sphere of radius R is filled with uniform volume charge density −ρ. The center of this sphere is displaced from the origin by d→. The electric field E→ at any point P having position vector inside the sphere is If the flux of the electric field through a closed surface is zero then [...]
Consider an infinite line charge having uniform linear charge density and passing through the axis of a cylinder. What will be the effect on the flux passing through curved surface if the portions of the line charge outside the cylinder is removed
06
Dec
Consider an infinite line charge having uniform linear charge density and passing through the axis of a cylinder. What will be the effect on the flux passing through curved surface if the portions of the line charge outside the cylinder is removed If the flux of the electric field through a closed surface is zero [...]
An uncharged aluminum block has a cavity within it. The block is placed in a region where a uniform electric field is directed upward.
06
Dec
An uncharged aluminum block has a cavity within it. The block is placed in a region where a uniform electric field is directed upward. An uncharged aluminum block has a cavity within it. The block is placed in a region where a uniform electric field is directed upward. December 6, 2020 Category: Cengage JEE Mains [...]
Figure shows a uniformly charged hemisphere of radius R. It has a volume charge density p. If the electric field at point 2R, above its center is E, then what is the electric field at the point 2R below its center ?
06
Dec
Figure shows a uniformly charged hemisphere of radius R. It has a volume charge density p. If the electric field at point 2R, above its center is E, then what is the electric field at the point 2R below its center ? above its center is E Figure shows a uniformly charged hemisphere of radius [...]
An uncharged conducting large plate is placed as shown. Now an electric field E toward right is applied. Find the induced charge density on the right surface of the plate:
06
Dec
An uncharged conducting large plate is placed as shown. Now an electric field E toward right is applied. Find the induced charge density on the right surface of the plate: An uncharged conducting large plate is placed as shown. Now an electric field E toward right is applied. Find the induced charge density on the [...]
A sphere of radius R carries charge such that its volume charge density is proportional to the square of the distance from the centre. What is the ratio of the magnitude of the electric field at a distance 2 R from the centre to the magnitude of the electric field at a distance of R/2 from the centre?
06
Dec
A sphere of radius R carries charge such that its volume charge density is proportional to the square of the distance from the centre. What is the ratio of the magnitude of the electric field at a distance 2 R from the centre to the magnitude of the electric field at a distance of R/2 [...]
The electric field on two sides of a large charged plate is shown in figure. The charge density on the plate in SI units is given by (ε0 is the permittivity of free space in SI units).
06
Dec
The electric field on two sides of a large charged plate is shown in figure. The charge density on the plate in SI units is given by (ε0 is the permittivity of free space in SI units). The electric field on two sides of a large charged plate is shown in figure. The charge density [...]