Dc machine question

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Discussion in 'Homework Help' started by skiddman, Sep 27, 2013.

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  1. Sep 27, 2013 #1
    skiddman

    Thread Starter New Member

    Nov 7, 2012
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    A conductor moves on, and makes contact with a set of parallel rails at a speed of 60 cm/s. A resistor R of 10Ω is connected to the point ab. The conductor length in the field is 40cm. Determine the magnitude of the current running through R.

    Current is flowing from A to B

    What is the equation I would use to solve this question?
     
    Last edited: Sep 27, 2013
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  2. Sep 27, 2013 #2
    Alec_t

    AAC Fanatic!

    Sep 17, 2013
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    What field? Where is point ab?
     
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  3. Sep 27, 2013 #3
    WBahn

    Moderator

    Mar 31, 2012
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    +1

    Guess I'm not the only one whose crystal ball is in the shop.
     
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