A magnet is suspended so that it may oscillate in

Question

A magnet is suspended so that it may oscillate in the horizontal plane .It performs oscillations per minute at a placewherethe angle of dip is 300and 15 oscillations per minute, where the angle of dip is 600. The ratio of earth’s magnetic field at these two places is1) 16/92)4/33)8/34)16/9

ROSHAN MUJEEB · Accepted Answer

Given v1=2060=13sec&minus;1 and v2=1560=14sec&minus;1Now v=12&pi;MBHI&minus;&minus;&minus;&minus;&minus;&minus;√=12&pi;MBcos&phi;I&minus;&minus;&minus;&minus;&minus;&minus;&minus;&minus;√(∵BH=Bcos&phi;)&there4;v1v2=B1cos&phi;1B2cos&phi;2&minus;&minus;&minus;&minus;&minus;&minus;&minus;&minus;√&rArr;B1B2=(v1v2)2(cos&phi;2cos&phi;1)2B1B2=(1/31/4)2cos60∘cos30∘=169&times;1/23&ndash;√/2=1693&ndash;√

Magnetism> A magnet is suspended so that it may osci...

A magnet is suspended so that it may oscillate in the horizontal plane .It performs oscillations per minute at a placewherethe angle of dip is 300and 15 oscillations per minute, where the angle of dip is 600. The ratio of earth’s magnetic field at these two places is1) 16/92)4/33)8/34)16/9

Harsh Kulkarni , 10 Years ago

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Magnetism> A magnet is suspended so that it may osci...

A magnet is suspended so that it may oscillate in the horizontal plane .It performs oscillations per minute at a placewherethe angle of dip is 300and 15 oscillations per minute, where the angle of dip is 600. The ratio of earth’s magnetic field at these two places is1) 16/92)4/33)8/34)16/9

Harsh Kulkarni , 10 Years ago

ROSHAN MUJEEB

Provide a better Answer & Earn Cool Goodies

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Ask a Doubt

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