Basic Properties of Electric Charge

What are electrons?

Spheres A and B having equal masses are given charges$+ q$  and $- q$ respectively. If after charging their respective masses are respectively 
$m_A$ and $m_{\mathit{B}}$, then relation of $m_A$ and $m_B$ will be _____.

Find the charge on an iron particle of mass $2.24 \mathrm{mg}$ if $0.02 \%$ of electrons are removed from it.

How many electrons must be removed from a body so that it may have the charge of

i. $1 \mathrm{million} \mathrm{coulombs}$

ii. $1 \mathrm{micro} \mathrm{coulomb}$

When a scale is rubbed with hair two electrons are transferred from scale to hair. Calculate the charge on hair or scale after transfer .

The total charge on a system is the algebraic sum of all individual charges in the system.

What are the three basic particles in an atom?

Protons are positively charged particles and electrons are negatively charged particles, particles without an electric charge is called _____.

What are charged particles?

Electrons have negligible mass and charge.

What is the difference between electric charge and mass.

If five charges are as follows $+q, +3q, -2q, -6q, +8q$, then what is total charge value?

For the addition of the charge, which one of the given things should be taken care of?

Electric charge can be treated as a vector quantity.

Electric charges add up like _____ numbers.

What is the meaning of the additivity of charges?

For the invariance of electric charge, mass can be vary.

For invariance of the electric charge. It is not necessary to total spin and the magnetic moment remain the same.

For the invariance of the charge, a quantum number will be remains unchanged between two reference frames in _____ motion.

What is invariance of the electric charge?