Questions
Two short magnets with their axes horizontal and perpendicular to the magnetic meridian are placed with their centres 40 cm east and 50 cm west of magnetic needle. If the needle remains undeflected, the ratio of their magnetic moments is
detailed solution
Correct option is C
For null deflection M1M2=d1d23=40503=64125Talk to our academic expert!
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If a hole is made at the centre of a bar magnet, then its magnetic moment will
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