EASY
12th CBSE
IMPORTANT
Earn 100

Determine the total charge on 75.0kg of electrons.

Important Questions on Electric Charges and Field

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 6
How many mega coulombs of positive (or negative) charge are present in 2.0 mole of neutral hydrogen (H2) gas?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 7
Estimate the total number of electrons present in 100 g of water. How much is the total negative charge carried by these electrons? Avogadro's number =6.02×1023 and molecular mass of water =18.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 1
Obtain the dimensional formula of ε∘
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 2
Calculate Coulomb force between two α- particles separated by a distance of 3.2×10-15m in air.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 3
Calculate the distance between two protons such that the electrical repulsive force between them is equal to the weight of either. 
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 4
How far apart should the two electrons be if the force each electron exerts on the other is equal to the weight of the electron? Given that e=1.6×10−19C and me=9.1×10−31Kg.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 5
A pith-ball A of mass 9×10−5kg carries a charge of 5 μC. What must be the magnitude and sign of the charge on a pith-ball B held  2 cm directly above the pith-ball A, such that the pith-ball A remains stationary? 
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 1 - Electric Charges and Field>Problems For Practice>Q 6
Two identical metal spheres having equal and similar charges repel each other with a force of 103 N when they are placed 10 cm apart in a medium of dielectric constant 5. Determine the charge on each sphere.