Physics Help Forum Resistors in series and in parallel
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 Oct 21st 2015, 11:43 AM #1 Junior Member   Join Date: Sep 2015 Posts: 7 Resistors in series and in parallel Two resistors connected in series have an equivalent resistance of 690 ohms. When they are connected in parallel, their equivalent resistance is 150 ohms. Find the resistance of each resistor
 Oct 21st 2015, 12:28 PM #2 Physics Team     Join Date: Jun 2010 Location: Morristown, NJ USA Posts: 2,322 If you have wire resistors A and B in series the total resistance is A+B . If you put them in parallel, total resistance is AB/(A+B). You have two equations in 2 unknowns - now solve for A and B. Last edited by ChipB; Oct 21st 2015 at 01:13 PM.

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