EASY
12th Odisha Board
IMPORTANT
Earn 100

Find the coulomb force between two protons in a nucleus if the average distance between two protons in a nucleus is 6 fermi.

Important Questions on Electrostatics

EASY
12th Odisha Board
IMPORTANT
Two charged particles are a distance 1mm apart. Find the minimum coulomb force between them.
EASY
12th Odisha Board
IMPORTANT
Glass ball is rubbed with ebonite ball and kept at a separation of 1cm. If the force of attraction between them is 10N find charge on each ball.
EASY
12th Odisha Board
IMPORTANT
Find the ratio of electric and gravitational forces between two protons when they are kept at a distance apart.
EASY
12th Odisha Board
IMPORTANT
Three equal charges each of 1μC are placed at the three corners of an equilateral triangle of sides 3cm each. Find the force experienced by each charge due to the other two charges.
MEDIUM
12th Odisha Board
IMPORTANT
Four equal charges 2μC each are placed at the four corners of a square of each side 5cm. Find the force experienced by each charge due to the other three charges.
EASY
12th Odisha Board
IMPORTANT
An infinite number of identically charged bodies are kept along the x axis at points x=1m,2m,4m,8m,16m and so on. All other charges repel the charge at the origin with a force of 1.2N. Find magnitude of each charge.
EASY
12th Odisha Board
IMPORTANT
Four charges each equal to Q are placed at the four corners of a square and a charge q is placed at the centre of the square. If the system is in equilibrium, the value of q is :
EASY
12th Odisha Board
IMPORTANT

Two insulated charged metallic spheres A & B have their centres separated by a distance of 50cm in air.

(a) calculate the force of repulsion between them if the charge.on each is +5.0×10-8C.