Generation Of Electrictiy Flashcards
What are the six sources of external energy that can separate the electrons from their Nuclei?
Friction
Pressure
Magnetism
Heat
Light
Chemical action
What is friction?
When two objects slide across one another
When the emf is reversed when the pressure changes from an increase to a decrease this emf is known as the?
Piezoelectric emf
Magnetism itself is not used as the direct source of external energy
True or false?
True
What is used to drive the generator?
Energy
What is a photo voltaic cell.
Where the application of light causes the production of voltage
What can the photo voltaic cell be used for?
To produce electrical energy
What is the final method of producing electricity
Chemical action
In a primary cell the electrolyte pushes electrons onto one plate and pulls them off the other
True or false
True
