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What is the capacitive reactance Xc of a 60.0 pF capacitor placed in an ac circuit driven at a frequency of f = 347 kHz? @ Macmillan Learning Xc =What is the inductive reactance XL of a 60.0 pH inductor placed in an AC circuit driven at a frequency of f = 939 kHz? @ Macmillan Learning XL =m A technician at a semiconductor facility is using an oscilloscope to measure the AC voltage across a resistor in a circuit. The technician measures the oscillating voltage to be a sine wave with a peak voltage of 3.?5 V. However, the technician must record the RMS voltage on a report. 1What value should be reported? E Macmillan Learnin E: Macmillan Learning A time plot of the voltages across an inductor (dashed), capacitor (dotted), and resistor (solid) of a series LRC circuit is shown. (T "I Ln.) Diagram A Diagram B Diagram C Diagram D 1 Choose the vector diagram that best represents the phasor for this circuit at time '0- O diagram A O diagram C O diagram B O diagram D m Consider a series RLC circuit where R = 25.0 R, C : 15.5 pF, and L = 0.0940 H, that is driven at a frequency of 30.0 Hz. Determine the phase angle :15 of the circuit in degrees. ' 3- Macmillan Learnin Given the phase angle, which statements are true? I] The voltage lags behind the current. I] Overall, the system is capacitive. I] The current lags the voltage. I] Overall, the system is inductive. For a particular RLC series circuit, the capacitive reactance is 5.15 2, the inductive reactance is 36.3 0, and the maximum voltage across the 92.9 2 resistor is 41.1 V. What is the maximum voltage across the circuit? @ Macmillan Learning om = Van At its highest temperature. a space heater has a resistance of 17.5 (2 when it is plugged into a wall outlet that supplies a peak voltage of 176.3 V sinusoidally at 60 Hz. What is the average power output F of the space heater? 31 Macmillan Learnin Consider a series RLC circuit where the resistance R = 855 2, the capacitance C = 3.25 pF, and the inductance L = 55.0 mH. @ Macmillan Learning Determine the resonance frequency wo of the circuit. rad/s What is the maximum current Imax when the circuit is at resonance, if the amplitude of the AC driving voltage is 84.0 V? max = AConsider a series RLC circuit where R = 855 Q and C = 7.25 #F. However, the inductance L of the inductor is unknown. To find its value, Anindya decides to perform some simple measurements. He applies an AC voltage that peaks at 84.0 V and observes that the resonance angular frequency occurs at 39700 rad/s. @ Macmillan Learning What is the inductance of the inductor in millihenrys? L = mHm A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much smaller voltages, typically C 156.3 mV. If the number of turns in the primary coil is 6908, calculate the number of turns N5 on the secondary coil of the adapter transformer. E Macmillan Learni