At the frequency of oscillation, calculate the impedance of each of the capacitors in the oscillator circuit. Frequency = 100khz
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At the frequency of oscillation, calculate the impedance of each of the capacitors in the oscillator circuit.
Frequency = 100khz
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- An electrical engineer is working with a parallel AC circuit. The circuit draws 10 ohms on a resistive branch, and the angle of the total impedance is 15°. What is the total impedance? O 7.6 ohms O 9.66 ohms O 10.35 ohms O 13.16 ohmsThe voltage supplied to an ac circuit is given by v = (120 sin(60t))V. What are the rms voltage and the frequency? a) 120 V, 60 Hz b) 120 V, 380 Hz c) 170 V, 9.5 Hz d) 85 V, 9.5 Hz e) 240 V, 30 HzThe following table gives the reactance and rms voltage across the elements of a series RCL circuit: Circuit element Reactance Voltage across element resistor 2.00 x 102Q 86 V capacitor 6.63 × 10² Q 285 V inductor 3.77 x 1020 162 V What is the power factor for this circuit? O 0.81 O 5.5 O 0.40 O 1.4 O 0.57
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- When a 2.0 µF capacitor is connected to a generator whose rms output is 34 V, the current in the circuit is observed to be 0.33 A. What is the frequency of the source? 772.4 Hz 2,426.5 Hz 594.1 Hz 1,544 Hz noneA circuit consists of a 3.38-μF and a 6.98-μF capacitor connected in series across the terminals of a 617-Hz generator. The voltage of the generator is 120 V. (a) Determine the equivalent capacitance of the two capacitors. (b) Find the current in the circuit. Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. (a) Number i Units (b) Number i Units