(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Physics

How many electrons are present in one coulomb?

Which is bigger: 1 C or magnitude of the charge on an electron?

Is a charge of -3.6 X 10^-18C possible?

What is the origin of frictional forces?

What is the cause of charging?

Who first showed two kinds of charges and who gave them algebraic signs?

State two differences between charge and mass.

Is the mass of the body affected by charging?

Consider three charged bodies A, B, and C. If A and B repel each other and A attracts C, what is the nature of force between B and C?

Name any two basic properties of electric charge.

Can ever photons have a charge? If not, why?

A glass rod rubbed with silk cloth acquires a charge of +1.6 X 10^-12C. What is the charge on the silk cloth?

What is the SI unit of charge?

What is the value of charge on an electron? Is a charge less than the value possible?

What is the net charge on an atom?

What are free electrons?