How a generator works

A generator produces electricity by converting mechanical energy to electrical energy. It operates on the principle of electromagnetic induction.
Electromagnetic induction is the production of voltage across an electric conductor due to its movement within an electric field. If a conductor magnetic field, electricity is produced.
In a generator, copper wire is wounded around a metal rod inside a magnetic field. Once the metal rod spins with the copper wire inside the stator which houses the magnets and electricity is produced.
A petrol engine is attached to the generator to spin the metal rod.
When the generator is working, fuel is supplied to the engine from the tank, the spark plug ignites the fuel, the fuel burns rapidly thereby forcing the piston down, the piston is connected to the crankshaft which rotates as the piston moves upward and downward. The crankshaft rotates the metal rod in the generator.