EASY
12th CBSE
IMPORTANT
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Use Gauss's theorem to find the electric field due to a uniformly charged infinitely large plane thin sheet with surface charge density σ.

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
An infinitely large thin plane sheet has a uniform surface charge density +σ Obtain the expression for the amount of work done in bringing a point charge q from infinity to a point, distant r, in front of the charged plane sheet.
EASY
12th CBSE
IMPORTANT
State Gauss's law. Using this law, obtain the expression for the electric field due to an infinitely long straight conductor of linear charge density λ.
EASY
12th CBSE
IMPORTANT
A wire AB of length L has linear charge density λ=kx, where x is measured from the end A of the wire. This wire is enclosed by a Gaussian hollow surface. Find the expression for the electric flux through this surface.
EASY
12th CBSE
IMPORTANT
"Gauss's law in electrostatics is true for any closed surface, no matter what its shape or size is". Justify this statement with the help of a suitable example.
EASY
12th CBSE
IMPORTANT
Use Gauss's law to prove that the electric field inside a uniformly charged spherical shell is zero.
EASY
12th CBSE
IMPORTANT

Given the electric field in the region E=2xi^, find the net electric flux through the cube and the charge enclosed by it.

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EASY
12th CBSE
IMPORTANT

Using Gauss's law, deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point outside the shell.

Plot a graph showing variation of electric field as a function of r>R and r<R (r being the distance from the centre of the shell).

EASY
12th CBSE
IMPORTANT

Using Gauss's law, deduce the expression for the electric field due to a uniformly charged spherical conducting shell of radius R at a point inside the shell.

Plot a graph showing variation of electric field as a function of r>R and r<R(r being the distance from the centre of the shell).