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physics416
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Homework Statement
1. Find the power dissipated by 12 ohm resistor
2. What is the potential at points a,b,c,d?
Homework Equations
P=I^2R
I=V/R
The Attempt at a Solution
For a) 3v-IR-6v-IR=0
9v=I(18)
I=0.5
P=0.5^2 * 12 = 3 watts
But not sure if the ground changes anything
b) unsure if ground changes anything