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Question 47

 
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McatCrusher
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PostPosted: Sun Feb 25, 2007 3:30 pm    Post subject: Question 47 Reply with quote

I underestood eveything in this question except for the connection between CURRENT and ENERGY. I guessed it was because of the electrons. More electrons-->more Energy but i wasnt sure it i was right?
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Dr. Ferdinand
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PostPosted: Sun Feb 25, 2007 6:22 pm    Post subject: Reply with quote

Yes, for the MCAT, that is essentially accurate. After all, current is the rate of charge (I = Q/t) and energy/work is related to charge (E = kQq/r).
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