Current through a given area of a conductor is the net charge passing per unit
Electrostatic force is a conservative force. Work done by an external force
Electric and magnetic forces determine the properties of atoms, molecules and bulk
Semiconductors are the basic materials used in the present solid state
An atom has a nucleus. The nucleus is positively charged. The radius of the nucleus is smaller
Atom, as a whole, is electrically neutral and therefore contains equal amount
The minimum energy needed by an electron to come out from a metal surface is called
Huygens’ principle tells us that each point on a wavefront is a source of
Reflection is governed by the equation ∠i = ∠r′
Maxwell found an inconsistency in the Ampere’s law and suggested the existence of an additional
An alternating voltage v = vm sin ωt applied to a resistor R drives
The magnetic flux through a surface of area A placed in a uniform magnetic
The science of magnetism is old. It has been known since ancient times that magnetic materials
The total force on a charge q moving with velocity v in the presence of magnetic and electric
