Question

what are open and closed circuits ?with diagrams according to 7th class​

Answer 1

Answer:

• 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

ADDITIONALLY:-,

• A device designed to open or close a circuit under controlled conditions is called a switch.

Explanation:

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Answer 2

When the switch is in the ‘ON’ position the electric circuit is closed.

When the switch is in 'OFF' position the electric circuit is open.

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