Physics Help Forum Ques.on magnitude(wit attachment)

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Feb 22nd 2009, 02:45 AM   #1
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Ques.on magnitude(wit attachment)

Please refer the attachment for the diagram..pls advise me what to do,tq so much.

A wire of length 62.0 cm and mass 13.0 g is suspended by a pair of flexible leads in a magnetic field of 440 mT. Find the magnitude and direction of the current in the wire required to remove the tension in the supporting leads.
Attached Images
 magnetic.bmp (968.3 KB, 4 views)

Last edited by jonbrutal; Feb 22nd 2009 at 02:57 AM.

 Feb 28th 2009, 10:20 PM #2 Member   Join Date: Jan 2009 Posts: 80 My answer(correct???) F = ma = (0.013)(9.8) =0.127N F = ILB 0.127 = I(0.62)(440m) I = 0.47A (direction is 90˚ downwards)

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