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# HW3 - UC Berkeley EECS Department EECS 40 B E Boser HW3...

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UC Berkeley, EECS Department B. E. Boser EECS 40 HW3: Resistive Circuits UID: 1. In the circuit below, a volt- and an ampere-meter are used to measure the voltage across and current through resistor R L . P R L and P V s denote the power dissipated in R L and V s , respectively. Fill in the table below: V = V A = mA R L = 1 pt. 0 P R L = 1 pt. 1 P V s = 1 pt. 2 V = V A = mA R L = 1 pt. 3 P R L = 1 pt. 4 P V s = 1 pt. 5 If you apply sign conventions correctly, some of your answers will seem counter-intuitive. Sometimes intu- ition is not right! Later in the course we will design circuits that have such counter-intuitive properties. The objective of this problem is for you to become sufficiently confident with sign conventions to apply them correctly even in unfamiliar situations. 2. Find the value of R eq such that circuits (a) and (b) perform identically. Use R 1 = k Ω , R 2 = k Ω , R 3 = k Ω and R 4 = k Ω . R eq = opt. 6 3. Find the value of R eq such that circuit (a) and (b) perform identically. Use R 1 = k Ω R 2 = k Ω R 3 = k Ω R 4 = k Ω R 5 = k Ω R 6 = k Ω R 7 = k Ω R 8 = k Ω R 9 = k Ω R eq = 3 pts.

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