Specialized cells
Different types of cells carry out specific functions and when all cells...
Different types of cells carry out specific functions and when all cells...
Physical quantities Physical quantity is a property of an object or substance...
Density of liquids Density is the mass per unit volume The units...
Resistance It is the opposition of the flow of current. It is...
Uses of electricity in the home Lighting Heating Powering electrical devices e.g....
Electrostatic charging Friction between objects can cause electrons to be transferred from...
Hydro and thermal power generation The processes involved in the production of...
Generator Notes Generator effect When a conducting wire is moved through a...