Measurement- physical quantities
Physical quantities Physical quantity is a property of an object or substance...
Physics
Density notes
Density of liquids Density is the mass per unit volume The units...
Current, electricity and resistance
Resistance It is the opposition of the flow of current. It is...
Household Electricity
Uses of electricity in the home Lighting Heating Powering electrical devices e.g....
Static Electricity
Electrostatic charging Friction between objects can cause electrons to be transferred from...
Hydro and thermal power generation
Hydro and thermal power generation The processes involved in the production of...
Generators
Generator Notes Generator effect When a conducting wire is moved through a...