Electric Charge

Three charges, $-q,\mathrm{ }Q$ and $-q$, are placed at equal distances, on a straight line. If the potential energy of the system of three charges is zero, then what is the ratio of $Q:q$?

The charge on proton is _____$\times {10}^{-19}$ Coulomb's.

The charge of an electron is _____ $\times {10}^{-19}$Coulomb's.

A negatively charged body has _____ of electrons compared to the number of protons in the respective atom.

How does a body become negatively charged?

When a north pole comes near another north pole, it attracts.

Charged particles can be destroyed, but the net charge cannot be destroyed or generated. 

Electric charge can be positive or negative.

A boson is a charged elementary particle.

The electric charge remains constant despite all relativistic changes happening to it.

Which are the elementary charged particles of which matter is made of?

Explain about the interaction between charges.

Explain the invariance of electric charges.

Explain about conservation of charges.

How many types of charges are present?

Explain what is electric charge.

Three charges, $-q,\mathrm{ }Q$ and $-q$, are placed at equal distances, on a straight line. If the potential energy of the system of three charges is zero, then what is the ratio of $Q:q$?

Let $A$ and $B$ are two identical objects of same mass initially are charged electro statically by rubbing against each other. Let $A$ has got a positive charge and $B$ has got a negative charge, then match column I and column II.

Define electric charges on the basis of quantization of charges.

For the invariance of the charge, which of the given can be varied?