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# What is the power in this parallel circuit ?

I am suppose to calculate the power in the middle figure, and then sum them up for a experimental value. Then find the calculated value. For some reason those are suppose to line up with the power values on the right. Any help will be greatly appreciated. Our lab group was big due to equipment issues so I had to copy off someone else.

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- charlatanLv 71 month agoFavourite answer
i= v/r

w=v*i

w=v*v/r = v^2/r

1/r =1/r1+1/r2

r=r1*r2/(r1+r2)

w= v^2/((r1*r2)/(r1+r2))

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