An L-R-C series circuit has R = 80.0 N, L = 0.600 H, and C = 2.00x10-4 F. The ac source has voltage amplitude 70.0 V and angular frequency 110 rad/s.
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- A 250-ohm resistor, a 0.450 H inductor, and a 6.45 µF capacitor are connected in series across an emf with a 36.0 volt amplitude and an angular frequency of 260 rad/s. What is the impedance? What is the current amplitude? What is the phase angle between the voltage and current? Does the voltage lag or lead? a. b. с.Camera flashes charge a capacitor to high voltage by switching the current through an inductor on and off rapidly. In what time must the 0.200 A current through a 3.00 mH inductor be switched on or off to induce a 1000 V emf?10. In the circuit below the inductor is L = 3 [mH], the resistor R = 2 [MN] and Vin = 10[Volts]. After we close the circuit, What is the approximate voltage at the inductor when the elapsed time is 17? When you close the switch the voltage across the inductor is given by V₁ = V₂e L/R Sw in
- If the capacitors in Figure 23.55 are replaced by inductors, which acts as a low-frequency filter and which as a high-frequency filter?3. After a very long time, across which circuit element is the voltage equal to the emf of the battery? (a) the resistor (b) the inductor (c) both the inductor and resistor5015&cmid%3D815837&page%3D2 In the given circuit, four identical resistors with resistance R= 7 ohm, one inductor with inductance 4mH, a capacitor with capacitance 2µF and an ideal battery with emf 6 V are connected. What is the current through the battery, long time after the switch is closed? ut of (Please write your answer in the box without rounding and unit. Write what you see on calculator upto two decimal points. DO NOT WRITE UNIT) question Answer: Next page Previous page 12:53 PM ENG 06-Jan-21 hp dele prt sc insert backspace & ell
- 5. A simple LC circuit consists of a 3.3 H inductor and an 840 pf capacitor that initially carries a 105 µC charge. The switch is open for t<0 and then is thrown closed at t= 0 s. Compute the following quantities at t = 2 ms. a) The energy stored in the capacitor b) The energy stored in the inductor c) The total energy in the circuit10 Radios often utilize a variable capacitor in series with an inductor to tune the circuit to a particular frequency. In a particular shortwave radio, the value of the inductor is L = 1.15 µH. What must be the capacitance (in pF) of the circuit so that the radio is tuned to a frequency of f = 6.31 MHz? pF Need Help? Read It ions U MY NOTES PRACTICE ANOTHERFor the items 26 and 27, consider the following sinusoidal plot of the instantaneous voltage of an inductor as a function of time. 3 2 -8.0 12.5 50.0 25.0 37.5 Time (s) Ang mean-mean mo! What is its root-mean-square voltage? O A. 2.1 [V] O B. 3.0 [V] O C. 4.2 [V] D. 8.5 [V]