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hw19 - Version 001 HW19 gavrin(25111 This print-out should...

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Version 001 – HW19 – gavrin – (25111) 1 This print-out should have 13 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. ImpedanceofRLCCircuit01 001(part1of2)10.0points In a certain series RLC circuit, the rms cur- rent is 6 . 64 A , the rms voltage is 238 V and the current leads the voltage by 37 . What is the total resistance of the circuit? Correct answer: 28 . 6258 Ω. 002(part2of2)10.0points Calculate the reactance X L - X C of the cir- cuit. Correct answer: - 21 . 5711 Ω. SerwayCP2124 003(part1of2)10.0points A 45 . 9 Ω resistor is connected in series with a 12 . 3 μ F capacitor and a 60 Hz, 120 V source. Find the current in the circuit. Correct answer: 544 . 248 mA. 004(part2of2)10.0points What is value of the inductor that must be inserted in the circuit to reduce the current to one-half the previous current? Correct answer: 1 . 73542 H. SerwayCP2164 005(part1of2)10.0points A particular inductor has appreciable resis- tance. When the inductor is connected to a 8 . 9 V battery, the current in the inductor is 3 . 76 A.
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