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Resistance

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Thread Starter

karthikeyanelec

Joined Mar 17, 2005
2
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?
 
David Bridgen

David Bridgen

Joined Feb 10, 2005
278
Originally posted by karthikeyanelec
Can 1/4watt resistors be replaced by 1/2watt resistor without any effect on the circuit?
[post=7435]Quoted post[/post]​
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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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