QUESTION 12 Calculate the power dissipated by the 2 Ohm resistor in the circuit shown below. 12 V R1 4 ? R2 4 ? R3 2 ? a. 24 W b. 72 W c. 12 W d. 144 W QUESTION 13 A 500-W device is connected to a 100-V power source. What current flows through this source?
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Given resistances: R1 = 4 Ω, R2 = 4 Ω, R3 = 2 Ω 1/Rp = 1/R1 + 1/R2 + 1/R3 1/Rp = 1/4 + 1/4 + 1/2 1/Rp = 1/4 + 1/2 1/Rp = 3/4 Rp = 4/3 Ω Show more…
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