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ICSE Class 10 Physics Question 39 of 136

Electro-magnetism — Question 2

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Question 2

A student draws three magnetic field lines 1, 2, 3 of a bar magnet using a compass needle. Are all the lines of force correctly drawn? Give reason for your answer.

A student draws three magnetic field lines 1, 2, 3 of a bar magnet using a compass needle. Are all the lines of force correctly drawn? Give reason for your answer. Force, Concise Physics Solutions ICSE Class 10.
Answer

No, the field line labelled 3 is incorrect and 1, 2 are correct because Magnetic field lines must start from the North pole and end at the South pole outside the magnet but line 3 is shown going from S to N outside the magnet, which is wrong.