3. In a single loop RCL circuit with R=202, C =20 µF, L=1.0H, at what angular frequency w of the ac generator will the circuit resonate with a) max response (rms current maximum), b) 50% of max response?
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- The value of the rms current is most nearly A. 154 mA The current in the circuit is given by i(t) = I cos[(9580 rad/s)}), where I is the amplitude current. The voltage amplitude of the AC source is 112 V. B. 272 mA C. 384 mA D. 121 mA E. 334 mA R = 335 N C = 0.625 µF L = 75.8 mHIn a purely inductive AC circuit as shown in the figure, AV, = 100 V. max AVmax sin 27ft L (a) The maximum current is 5.40 A at 72.0 Hz. Calculate the inductance L. mH (b) At what angular frequency w is the maximum current 1.50 A? rad/s ell10 Consider a series RLC circuit where the resistance R = 957 Q, the capacitance C = 2.25 µF, and the inductance L = 35.0 mH. %3D %3D 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 24.0 V? Imax =
- Question in the attachmentThe figure below shows an AC source, a transformer with a turns ratio of N₁/N₂ = 2.70, a source resistor Re, and a load resistor R₁. S' AVS R₂ ww ellee N₂ RL A voltmeter across the load resistor measures an rms voltage of 26.0 V when the load resistor R₁ is 48.0 and the rms source voltage is AV = 86.0 V. (a) Determine the value of the source resistor R (in ). How is the rms voltage across the secondary coil related to that of the primary? How is the power delivered to the primary related to the power delivered to the load resistor? How are the voltages across each element on the primary side related to each other? Q (b) What If? If the turns ratio is increased to 3.00, determine the source resistance (in 2) required to deliver the same amount of power to the load. X How can you modify your work from part (a) in order to determine the source resistance required to deliver the same amount of power to the load resistor as in part (a)?15. An AC circuit is formed with a load of 85.0 . At 10.0 ms the voltage through the load reached 25% of the peak value. With this data estimate the angular frequency of the source.
- Question in the attachment26. A resistor and inductor are connected in series across an ac generator. The emf of the generator is given by u(t) = Vo cos wt, where Vo = 120 V and @= 120л rad/s; also, R = 400 22 and L = 1.5 H. (a) What is the impedance of the circuit? (b) What is the amplitude of the current through the resistor? (c) Write an expression for the current through the resistor. (d) Write expressions representing the voltages across the resistor and across the inductor.The figure below shows a series RLC circuit with a 24.0-2 resistor, a 470.0-mH inductor, and a 25.0-μF capacitor connected to an AC source with Vmax = 60.0 V operating at 60.0 Hz. What is the maximum voltage across the following in the circuit? + (a) resistor (b) inductor (c) capacitor V₂ R mo L Vc 11 C
- 8. An RL-circuit containing a 60-Hz AC generator produces an rms voltage of 20 V and peak current of 0.30 A. (a) Find the resistance of the resistor if the inductor has an inductance of 100 mH. (b) What is the rms voltage across the resistor? (c) What is the peak voltage acorss the inductor? (d) What is the instantaneous voltage of the circuit 0.82 s after the AC generator is turned on? [Answers: (a) R = 86 , (b) Vrms = 18 V, (c) Vmax = 11 V, (d) V = 27 V]In the circuit shown below, R= 200.0 2, C = 6.00 µE and the AC source is given by 8 = 170.0 sin (377t), where ɛ is in volts and t is in seconds. The magnitude of phase angle between the current and the source voltage is: H (AC R O a. 65.6 degrees O b. 35.0 degrees Oc. 45.0 degrees O d. 60.0 degrees O e. 72.4 degreesQuestion in the attachment