Physical quantities Physical quantity is a property of an object or …

Density of liquids Density is the mass per unit volume The …

Weight and Mass It is the force acting on mass due …

Resistance It is the opposition of the flow of current. It …

Uses of electricity in the home Lighting Heating Powering electrical devices …

Electrostatic charging Friction between objects can cause electrons to be transferred …

Hydro and thermal power generation The processes involved in the production …

Generator Notes Generator effect When a conducting wire is moved through …

Electromagnetism Demonstrating magnetic field in a conductor current carrying A large …

The motor effect When a current carrying conductor lies in a …

Telecommunication Telecommunication is the transmission of signals, signs, messages or information …