Electric Flux
Important Questions on Electric Flux
Calculate the electric field intensity at a point, when a sphere of metal has a radius of And carries a charge of , distributed uniformly on its surface.
(2) From the centre the sphere ?
An electric flux of Passes through a spherical Gaussian surface of radius Due to the charge placed at its centre.
(i) Calculate the charge enclosed by the Gaussian surface,
Calculate the number of electric line of force originating from a charge of .
If calculate the electric flux through a surface of area units in -plane.
The electric field just outside the surface of a conductor has a magnitude and is directed away from the conductor. What is the surface charge density of the conductor?
If an electric field near the earth surface be directed downwards, what is the surface density on earth's surface?
A point charge produces an electric flux of which passes through a Gaussian sphere of radius centred on the charge. Compute the point charge. If the radius of the sphere were doubled, how much flux would pass through its surface ?
A thin spherical shell has a radius of carries a charge of Calculate the intensity at point
(i) inside the shell,
A point charge of is at the centre of cubic Gaussian surface on edge. Calculate the net electric flux through the surface,
An uniform electric field of intensity is directed along, -axis. The length and breadth of a rectangular plane surface is and respectively. Find the electric flux through the surface in the following cases:
(c) the length of the surface is parallel to -axis, but the normal drawn to it is inclined to the -axis at an angle of .
Find the electric flux through the surface in the following cases:
An uniform electric field of intensity is directed along, -axis. The length and breadth of a rectangular plane surface is and respectively.
(ii) When the surface is parallel to -plane.
An uniform electric field of intensity is directed along, -axis. The length and breadth of a rectangular plane surface is and respectively. Find the electric flux through the surface in the following cases:
(1) when the surface is parallel to -plane.
A ring of radius is placed in an uniform electric field such that the electric flux through it is maximum. If the maximum flux is , what is the intensity of the electric field?
A cylinder is placed in uniform electric field ar, with its axis parallel to field. Show that the electric flux through the cylinder is zero.
What is electric flux? What is its unit? What is electric flux density?
Which one (s) of the following statements is/are correct?
A charge is distributed uniformly on circular ring of radius A sphere of equal radius is constructed with its centre at the periphery of the ring. The flux of the electric field through the surface of the sphere is
A charged ball hangs from a silk thread white makes an angle with a large charged conducting shut as shown in figure, Fig. 3.84. The surface charge density of the sheet is proportional to
A disc of radius having a uniformly distributed charge is placed in the plane with its centre at Fig. 3.78. A rod of length carrying a uniformly distributed
charge is placed on the axis from to . Two point charges and are placed at and respectively. Consider a cubical surface formed by the six surfaces . The electric flux through the cubical surface is
The inward and outward electric flux from a closed surface are respectively and units. Then the net charge inside the closed surface is