Gauss theorem

Field lines parallel to the sides of box is

• 0

• 1

• min

• max

Law stated as flux is 1/ε₀ times the total charge is

• ohm's law

• newton's Law

• Gauss Law

• Coulomb's Law

The Gaussian surface for a line charge will be

• Square

• cube

• cylinder

• spherical

The Gaussian surface for point charge will be

• cylinder

• spherical

• cube

• any shape

The electric flux through each of the six faces of a closed cube of length l,if a charge q is placed at its centre

• q/∊₀

• q/2∊₀

• q/24∊₀

• q/6∊₀

If we doubled the radius of the Gaussian surface , how will flux through it get affected?

• doubled

• halved

• no change

• one- fourth

Three point charges q + Q, q, q - Q are enclosed by the surface S. What the net flux crosses S

• 2q

• 3Q

• 3q

• 3q-2Q

As per Gauss law ∫E.ds= q/ε₀

Which of the following is true about this

• This is valid for symmetrical surface only

• E is the electric field to the charge inside the surface

• Electric flux on the closed surface due to outside charge is always zero

• none of the above