EASY
NEET
IMPORTANT
Earn 100

Figure shows three point charges, +2 q,-q and +3 q. Two charges +2 q and -q are enclosed within a surface S. What is the electric flux due to this configuration through the surface 'S'?

Question Image

Important Questions on Electric Charges and Fields

EASY
NEET
IMPORTANT

A metallic sphere is placed in uniform electric field as shown in the figure. Which path is followed by electric field lines and why?

Question Image

HARD
NEET
IMPORTANT
When two electrically charged particles having charges of different magnitude are placed at a distance d from each other, they experience a force of attraction F. These two particles are put in contact and again placed at the same distance from each other. What is the nature of new force between them?
EASY
NEET
IMPORTANT
Can a charged body attract an uncharged body?
MEDIUM
NEET
IMPORTANT
An electric dipole of dipole moment p is placed in a uniform electrostatic field E. For what angle between p and E will the potential energy of the electric dipole be half of its maximum value?
EASY
NEET
IMPORTANT
What is the line of symmetry of a dipole field?
EASY
NEET
IMPORTANT
Find the value of electric field that would exactly balance the weight of electron.
EASY
NEET
IMPORTANT
A small test charge is released at rest at a point in an electrostatic field configuration. Will it travel along the field line passing through that point?
EASY
NEET
IMPORTANT
If Coulomb's law involved 1r3 dependence (instead of 1r2), where r is distance between two point changes would Gauss's law still be true?