1.

Compare the power used in the 2 Omegaresistor in each of the following circuits: (i) a 6 V battery in series with 1 Omega and 2 Omegaresistors, and (ii) a 4 V battery in puallel with 12 Omega and 2 Omega resistors.

Answer»

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SOLUTION :(i)
(II) ` R= 1+2=3 Omega`
`I = (6)/(3) = 2 A `
`P =I^(2) R = (2)^(2) xx2=8 W `
`P =(V^(2))/(R)`
`((4)^(2))/(2) = (4xx4)/(2) = 8 W`


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