Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25...
A series combination of a resistor and a capacitor is connected to a 110-V rms, 59.7-Hz ac source. If the capacitance is 0.860 μF and the rms current in the circuit is 24.2 mA, what is the resistance?
A circuit has an ac voltage source and a resistor and capacitor connected in series. There is no inductor. The ac voltage source has voltage amplitude 0.900 kV and angular frequency w = 20.0 rad/s. The voltage amplitude across the capacitor is 0.500 kV. The resistor has resistance R= 0.300 kΩ. Part A What is the voltage amplitude across the resistor? Part B What is the capacitance C of the capacitor? Part C Does the source voltage lag or lead the current? Part D What is the average...
In a series circuit, a generator (1300 Hz, 15.0 V) is connected to a 14.0- resistor, a 3.90-μF capacitor, and a 5.80-mH inductor. Find the voltages across (a) the resistor, (b) the capacitor, and (c) the inductor. Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise.
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
A continuous AC voltage with peak voltage of 6 V and frequency f=732398 Hz is connected with a resistor (R-220 Ω), a capacitor with C-0.1 μΕ and an an inductor with L=680 nH. What is the capacitive reactance? What is the inductive reactance? What is the impedance when all three components are connected in SERIES? What is the current when all three components are connected in SERIES? What is the impedance of the circuit when all three components are connected...
A 3490 - Ω resistor and a 1.7 - μF capacitor are connected in series across a generator (60.0 Hz, 120 V). Determine the power delivered to the circuit.
An AC source operating at 60-Hz with a maximum voltage of 170 V is connected in series with a resistor (R = 1.2 k Q) and capacitor (C = 2.5 μF). a) What is the maximum value of the current in the circuit? b) What is the maximum values of the potential difference across the resistor and capacitor? c) When the current is zero, what are the magnitudes of the potential difference across the resistor, capacitor and AC source? How much charge is...
A 100uF capacitor, a 5H inductor and a 10052 Resistor are connected in series across a 100V 60Hz supply. What is the current flowing in the circuit at resonance? a. 104 1. 12A OGIA Od 1:24
An AC generator supplies an rms voltage of 120 V at 60.0 Hz. It is connected in series with a 0.350 H inductor, a 5.10 μF capacitor and a 306 Ω resistor. a. What is the impedance of the circuit? b. What is the rms current through the resistor? c. What is the average power dissipated in the circuit? d. What is the peak current through the resistor? e. What is the peak voltage across the inductor? f. What is...
5.A series RC circuit contains a 0.01 microfarad capacitor and a 2,000 ohm resistor, and has a frequency of 500 HZ. What is the impedance of the circuit? A. 90,285 ohms B. 52,285 ohms C. 42,164 ohms D. 31,910 ohms 1. A series RC circuit has a source voltage of 24 VAC and an impedance of 252 ohms. What is the circuit current? A. 95 A B. 0.095 A C. 9.5 A D. 0.95 A 2. A 0.015 micro arad...