(2) What is an electric circuit? What is meant by 'open' and 'closed' electric circuit?
Answers
An open circuit is one where the continuity has been broken by an interruption in the path for current to flow. A closed circuit is one that is complete, with good continuity throughout. A device designed to open or close a circuit under controlled conditions is called a switch.
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Answer:
The electric circuits are closed-loop or path which forms a network of electrical components, where electrons are able to flow. The start of the point from where the electrons start flowing is called the source whereas the point where electrons leave the electrical circuit is called the return. ..
In an electric closed circuit, current flow from positive charge to the negative charge particles. ... A circuit is said to be open when no current flows through it. This circuit does not conduct the electricity and zero potential difference occurs between two terminal of open switch due to the incomplete the path.