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Impedance in a series circuit The impedance Z (ohms) in a
Chapter , Problem 146PE(choose chapter or problem)
Impedance in a series circuit The impedance Z (ohms) in a series circuit is related to the resistance R (ohms) and reactance X (ohms) by the equation If R is increasing at 3 ohms/sec and X is decreasing at 2 ohms/sec, at what rate is Z changing when R = 10 ohms and X = 20 ohms?
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QUESTION:
Impedance in a series circuit The impedance Z (ohms) in a series circuit is related to the resistance R (ohms) and reactance X (ohms) by the equation If R is increasing at 3 ohms/sec and X is decreasing at 2 ohms/sec, at what rate is Z changing when R = 10 ohms and X = 20 ohms?
ANSWER:Solution: Step 1 of 2 In this problem, we have to find the rate at which the impedance Z is changing d That is we have to find dt .