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    I have no idea again, I'm guessing I'll be using P=IV, but I'm not sure how to do any of it really? I'm sure if I was to be told a I could get the rest? Cheers.
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    I think I could do it if it was in series, but it being in parallel is throwing me...
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    895.83A for a?
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    (Original post by Hazeltine)
    895.83A for a?
    In a parallel circuit, the voltage across each "section" is the same - in this case V(s) - 240V - the supply voltage.

    Since we already know the power (100W) use P=IV.

    I = 100/240 etc...

    Edit: That was the explanation for 1a). Is that what you wanted?
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    Oh right, I wasn't sure on that. Thanks very much! Makes things much easier that way round!
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    (Original post by Hazeltine)
    Oh right, I wasn't sure on that. Thanks very much! Makes things much easier that way round!
    No problem.

    Next time take a second look at your answer and see if it looks realistic - 895A is literally an unheard of amount. It's a good exam technique.
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    Yeah I tried that way round first, but I didn't like the answer but it makes all of the other answers look better, cheers.
 
 
 
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