EASY
CUET (UG)
IMPORTANT
Earn 100

An electric field is given by E=4i^3(y+2)j^, pierces Gaussian cube of side 1 m, placed at the origin, such that its three sides represent xy and z axes. The net charge enclosed within the cube is 

33.33% studentsanswered this correctly

Important Questions on Electric Charges and Fields

EASY
CUET (UG)
IMPORTANT
Charge Q, is divided into two parts which are then kept some distance apart. The force between them will be maximum if the two parts are having the charge -
EASY
CUET (UG)
IMPORTANT
The ratio of the mass of the proton to the mass of the electron is nearly
EASY
CUET (UG)
IMPORTANT
If a body is charged by rubbing it, its weight -
EASY
CUET (UG)
IMPORTANT
For the following electric field lines, the electric field is




Question Image
EASY
CUET (UG)
IMPORTANT

The diagram shows electric field lines around two isolated point charges P and Q . At X , the field strength is zero.

Question Image

Which of the following statements is true?

EASY
CUET (UG)
IMPORTANT
A sphere of radius 1 m encloses a charge of 5 μC. Another charge of -5 μC is placed inside the sphere. The net electric flux would be
EASY
CUET (UG)
IMPORTANT
A parallel plate capacitor has two square plates with equal and opposite charges. The surface charge densities on the plates are +σ and σ respectively. In the region between the plates the magnitude of the electric field is
EASY
CUET (UG)
IMPORTANT
Two large thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude 16×10-22 C m-2. The electric field between the plates is