5 Questions
What is the purpose of a cell (or battery) in an electric circuit?
To provide potential difference
What is the function of a generator in maintaining potential difference in an electric circuit?
Uses electro-mechanical energy to maintain potential difference
What is the term for the potential difference across the terminals of the source when it is not supplying current?
Electromotive Force (emf)
What is the potential difference across the terminals of the source called when a current is flowing?
Terminal voltage
What type of energy does a generator use to maintain the potential difference in an electric circuit?
Electro-mechanical energy
Test your knowledge on electricity generation and the maintenance of potential difference using cells, batteries, and generators. Learn about the different devices that convert chemical or electro-mechanical energy to provide a continuous electric current.
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