EASY
12th CBSE
IMPORTANT
Earn 100
Four particles, each having a charge , are placed on the vertices of a regular pentagon. The distance of each corner from the centre is ''. Determine the electric field at the centre of the pentagon.
Important Questions on Electric Charges and Field
EASY
12th CBSE
IMPORTANT
An infinite number of charges, each equal to q are placed along X-axis at and so on. Find the electric field at the point due to this set up of charges.
MEDIUM
12th CBSE
IMPORTANT
An infinite number of charges, each equal to q are placed along X-axis at and so on. What will be the electric field, if in the above set up, the consecutive charges have opposite signs.
MEDIUM
12th CBSE
IMPORTANT
Two point charges and are placed distance d apart. What are the points at which the resultant electric field is parallel to the line joining the two charges?
EASY
12th CBSE
IMPORTANT
Eight identical point charges of coulomb each are placed at the corners of a cube of each side . Calculate the electric field at the centre of the cube. Calculate the field at the centre when one of the corner charges is removed.
EASY
12th CBSE
IMPORTANT
If the total charge enclosed by a surface is zero, does it imply that the electric field everywhere on the surface is zero? Conversely, if the electric field everywhere on the surface is zero, does it imply that the charge inside is zero?
EASY
12th CBSE
IMPORTANT
Figure shows a cylindrical Gaussian surface for an infinitely long thin straight wire of uniform linear charge density.
For which surface is the electric flux zero?
EASY
12th CBSE
IMPORTANT
Figure shows a cylindrical Gaussian surface for an infinitely long thin straight wire of uniform linear charge density.
For which surface is the electric flux zero?
EASY
12th CBSE
IMPORTANT
Figure shows a cylindrical Gaussian surface for an infinitely long thin straight wire of uniform linear charge density.
For which surface is the electric flux zero?
