Posted by Jim on Monday, September 10, 2007 at 11:12pm.
Please help!!!!!
What resistance must be placed in parallel with a 152 ohm resistor to make the equivalent resistance 111 ohm?

Physics  DrBob222, Tuesday, September 11, 2007 at 12:33am
1/R = (1/R1) + (1/R2)
Plug in R1 = 152 ohms.
Plug in R = 111 ohms.
Solve for R2.
Post your work if you get stuck.