Current as a function of time

  • Thread starter jst
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  • #1
jst
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Homework Statement



Given an equation for charge passing through a point in a circuit versus time: q = 3t^3 – t^2. Which is the correct equation for current as a function of time?

Homework Equations





The Attempt at a Solution



Would it be: q', which would be 9t^2 - 2t

Thanks a lot,

Jason
 

Answers and Replies

  • #2
67
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yeah thats right you take the derivitive of q(t) with respect to t
 
  • #3
jst
28
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Much thanks!!!
 

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