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[" A bar magnet when placced at an angle...

[" A bar magnet when placced at an angle of "30^(@)" to the direction of magnetic field induction of "5times10^(-2)T" ,"],[" experiences a moment pouple "2.5times10^(-6)N-m" .If the length of the magnet is "5cm" ,its pole strength is "],[[" (1) "2times10^(2)A-m,(2)5times10^(2)A-m," (3) "2A-m," (4) "5A-m]]

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