What resistance must be placed in parallel with a 149 Ohm resistor to make the equivalent resistance 124 Ohm?

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- Feb 27th 2008, 12:35 PMlovinhockey26of equal resistance
What resistance must be placed in parallel with a 149 Ohm resistor to make the equivalent resistance 124 Ohm?

- Feb 27th 2008, 12:41 PMPeritus
- Feb 27th 2008, 12:49 PMlovinhockey26
I'm still not sure what I need to use...

I'm not really adding the resistance... I'm trying to find the resistance necessary to be placed parallel to make the equivalence resistance 124 ohm...

still confused i guess... - Feb 27th 2008, 01:43 PMAryth
Well, we use the formula for parallel resistors to find the equivalent resistance for two resistors:

And there you go. - Feb 28th 2008, 10:36 AMlovinhockey26
you have been very helpful, I appreciate your knowledge and assistance beyond what I can express..

Thank you :)