Resistance

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Discussion in 'Physics' started by karthikeyanelec, May 3, 2005.

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  1. May 3, 2005 #1
    karthikeyanelec

    Thread Starter New Member

    Mar 17, 2005
    2
    0
    What is the influence of the wattage of a resistor on a circuit?
    Can 1/4watt resistors be replaced by 1/2watt resistor without any effect on the circuit?
     
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  2. May 3, 2005 #2
    David Bridgen

    Senior Member

    Feb 10, 2005
    278
    0
    Yes.

    The power rating of a resistor is the power it can safely dissipate before there is a risk of it burning out.

    It is safe to use one with a higher rating than necessary, but not the other way round.
     
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