EASY
12th CBSE
IMPORTANT
Earn 100
What do you understand by electric flux. State its SI unit. A charge is enclosed by a spherical surface of radius . If the radius is reduced to half, how would the electric flux through the surface change?
Important Questions on Electric Charges and Field
MEDIUM
12th CBSE
IMPORTANT
Show that dependence of electric field of a point charge is consistent with the concept of the electric field lines.
EASY
12th CBSE
IMPORTANT
What do you understand by Gauss's theorem in electrostatics and prove it.
MEDIUM
12th CBSE
IMPORTANT
Using Gauss's theorem, obtain an expression for the force between two point charges.
MEDIUM
12th CBSE
IMPORTANT
State Gauss's theorem and express it mathematically. Using it, derive an expression for the electric field intensity at a point near a thin infinite plane sheet of charge density .
MEDIUM
12th CBSE
IMPORTANT
With the help of Gauss's law, prove that the electric field at a point due to a uniformly charged infinite plane sheet is independent of the distance from it.
EASY
12th CBSE
IMPORTANT
How is the field directed if (i) the sheet is positively charged, (ii) negatively charged?
MEDIUM
12th CBSE
IMPORTANT
With the help of Gauss's law to obtain the expression for the electric field between two uniformly charged large parallel sheets with surface charge densities a and respectively.
MEDIUM
12th CBSE
IMPORTANT
Define Gauss's theorem in electrostatics and prove that no electric field exists inside a hollow charged conducting sphere.
