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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: d mukherjee
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[Post New]22 Mar 2008 21:41:45 IST
    Subject: d mukherjee
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doucmecomin (5)

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solve

    
[Post New]22 Mar 2008 21:59:02 IST
    Subject: d mukherjee
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doucmecomin (5)

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option (a) n (b) are in the pic
 (c) 3BIL
(D) 0
please solve
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[Post New]22 Mar 2008 23:18:10 IST
    Subject: d mukherjee
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jeesucks (12)

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pic is not clear dude......
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[Post New]24 Mar 2008 22:05:11 IST
    Subject: d mukherjee
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sparkz (4)

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option b...
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[Post New]24 Mar 2008 22:09:48 IST
    Subject: Re:d mukherjee
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elastiboysai (2327)

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BIL in the negative z direction
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[Post New]24 Mar 2008 22:15:01 IST
    Subject: Re:d mukherjee
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elastiboysai (2327)

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consider 2 currents equal in magnitude but opposite in dir.
flowing through BE.
This way u have a complete circuit EBCDE, and 3 oder arms, now net force on the coil is zero .(see it urself,)
force on arms FE and BA cancel, but force on arm BE is nonzero,
so netforce on the system is due to the current in BE.
it is ILB in negative z direction, unless the arrows in ur fig. are wrong.
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