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प्रश्न
An iron needle is kept near a strong bar magnet. It will experience ______.
पर्याय
a force of attraction and no torque.
a force of attraction and a torque.
a torque and no force.
neither a force nor a torque.
MCQ
रिकाम्या जागा भरा
उत्तर
An iron needle is kept near a strong bar magnet. It will experience a force of attraction and a torque.
Explanation:
A magnetised needle in a homogeneous magnetic field experiences torque but no net force. When an iron nail comes into contact with a bar magnet, it experiences both torque and attraction.
shaalaa.com
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