Same chapter3 marksDifficulty: Medium
Describe how a piece of iron can be magnetised by the single touch method.
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3 marksDifficulty: Medium
What is an electric circuit? Distinguish between an open and a closed circuit.
Original Khojo Papers practice question — not from a past board paper.
Answer
An electric circuit is a continuous conducting path along which a current can flow from one terminal of a cell to the other. In a closed circuit the path is unbroken and a current flows; in an open circuit the path is broken, usually by a switch, and no current flows.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A short circuit is a path of very low resistance that bypasses the appliance.
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