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    How do you work out the current through a resistor???please help!!!!
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    Use the formula V=IR
    V is voltage, I is current and R is resistance
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    How do I do the lamp question
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    Help ASAP
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    (Original post by Laurenafenete)
    Use the formula V=IR
    V is voltage, I is current and R is resistance
    Help
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    (Original post by Alaoso)
    Help
    I need a proper picture of the circuit first
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    Ok
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    Hi
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    (Original post by Laurenafenete)
    I need a proper picture of the circuit first
    Hello
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    (Original post by Alaoso)
    Hello
    whats the whole question?
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    It's there
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    (Original post by Laurenafenete)
    I need a proper picture of the circuit first
    i have the photo please help
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    Give me a sec, trying to upload the pic

    And there we go
    Btw if you cant read it, it says o.5 A
    idk why the photo isn't uploading but here is the link to the photo
    http://www.thestudentroom.co.uk/atta...1&d=1456437829
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    The current through the ammeter is equal to the total current going through the circuit before it. therefore the current through the lamp and resistor is equal to that of the ammeter, 0.9 amps. take the current through the resistor away from that of the ammeter. 0.9 - 0.4 amps, and you are left with the current through the lamp. 0.5 amps
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    Thanks makes sense
 
 
 
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