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Math Help - physics prob

  1. #1
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    physics prob

    38. The strength of a magnetic field is called magnetic iduction. An equation for magnetic induction is B= F/IL sin theta, where F is a force on a current I which is moving through a wire of length L at an angle theta to the magnetic field. A wire within a magnetic field is 1 meter long and carries a current of 5.04 N/Am. What is the angle of the wire to the magnetic field?[/COLOR]
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  2. #2
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    Quote Originally Posted by mathAna1ys!5
    38. The strength of a magnetic field is called magnetic iduction. An equation for magnetic induction is B= F/IL sin theta, where F is a force on a current I which is moving through a wire of length L at an angle theta to the magnetic field. A wire within a magnetic field is 1 meter long and carries a current of 5.04 N/Am. What is the angle of the wire to the magnetic field?[/COLOR]
    1. You need to employ brackets to make your equations unambiguous.
    I guess you mean:

    B=F/(I.L.\sin(\theta))

    2. You give insufficient data to allow the determination of \theta.
    Even if we assume that when you say the current is 5.04 N/Am
    (the units seem to be Newtons/Amp !?) you actually mean F/I is
    5.04 N/Am.

    RonL
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