In one measurement of the body's bioelectric impedance, values of Z = 5.41 x 102a and =-7.64° are obtained for the total impedance and the phase angle, respectively. These values assume that the body's resistance Ris in series with its capacitance C and that there is no inductance L. Determine the body's (a) resistance and (b) capacitive reactance. (a) Number Units (b) Number 71.2 Units
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- An RLC series circuit has a 195 Q resistor and a 25.0 mH inductor. At 8000 Hz, the phase angle is 45.0°. (a) What is the impedance (in ohms)? Ω (b) Find the minimum possible capacitance (in nanofarads) of the circuit. nF (c) If V = 408 V is applied, what is the average power (in watts) supplied? rms WAn RLC series circuit has a resistor 3.01 kΩ, an inductor 174 mH inductor, and a 31 nF capacitor. the circuit is powered by a source having a frequency of 477 Hz. Give ALL answers to three significant figures. (a) Calculate the circuit's impedance at 477 Hz. Ω (b) The voltage source has Vrms = 480 V. Calculate the Irms (in mA). mA (c) Calculate the resonant frequency of the circuit (in kHz). kHz (d) Calculate the current in the circuit at resonance. A (e) Calculate the voltage across the inductor at resonance. VTwo resistors R₁ = 401, R₂ = 929 №, a capacitor C = 2.75 µF, and an inductor L R₁ R₂ C HE L vor Vrms (a) Determine the rms current from the source for very large frequencies. 0.229 A 6.30 mH, are connected to a sinusoidal voltage source with an rms voltage of 92.0 V as shown in the diagram below. (b) Determine the rms current from the source for very small frequencies. 0.097 X What is the inductive reactance for small values of the frequency? What happens to the current through the capacitor for small frequencies? A
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