- #1
Mach
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Homework Statement
Calculate i2, given that r1=12, r2=6, r3=12, r4=6.
There is a 20V source.
The first step here is calculate Req, I believe.
http://media.newschoolers.com/uploads/cache/images/1222468444-632813-600x325-1222468266Untitled2423423.jpg
Homework Equations
Req=(r1 ll r2) + (r3 ll r4)
note: ' ll ' means parallel.
The Attempt at a Solution
1/Req = 1/(6+12)+1/(6+12)
Req=9
The answer says that Req should be 8. Is my formula for Req correct?
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