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Unformatted text preview: 1 = R 2 = R 3 = R 4 = 6 Ω , and ε = 72 V with negligible internal resistance. (a) (10 points) find the power dissipated in R 1 and R 2 ; (b) (10 points) Now remove R 4 from the circuit, and find the current through each of the remaining three resistors. 4. In the following directcurrent circuit, (a) (8 points) Find the magnitude and direction of the current in the circuit; (b) (6 points) Find the terminal voltage of the 4V battery, V bc = V b – V c ; (c) (6 points) Find the potential difference V ad = V a – V d . 5. In the following directcurrent circuit, (a) (10 points) Find the current (direction and magnitude) in each branch; (b) (10 points) Find the potential difference V ab = V a – V b ....
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 Spring '10
 Zhu
 Physics, Capacitance, Charge, Energy, Electric charge, Jaguar Racing

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