Question
Sun June 17, 2012 By: Kiran Kumar
 

Two resistors of 20 ? and 40 ? are connected in parallel in an electric circuit. How does the current passing through the two resistors compare?

Expert Reply
Sun June 17, 2012
In parallel connetion the potential difference accross all the components is same.
hence we can compare the current as:
 
accross 20ohm resistor:
I1= V/20
 
and across 40ohm resistor:
 I2= V/40
 
Hence clearly,
I1/I2 = 2
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