A 402 resistor and a 50mH inductor are connected in series across a Vrms f = 60HZ. Recall 120V AC power source with v(t) = Vo sin (wt), i(t) = I, sin (wt – ). (a) Sketch the circuit described above. (b) Find the amplitude Vo. (c) Determine the impedance of this RL circuit. (d) Give an expression for the instantaneous current in the circuit i(t). Is this current leading or lagging the source voltage? (e) A 5µF capacitor is added in series to the circuit. What is the impedance of this RLC circuit? (f) Give an expression for the instantaneous current in this RLC circuit i(t). Is this current leading or lagging the source voltage? (g) What is the resonance frequency fo of the above RLC circuit?

The 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)?

In a purely inductive AC circuit as shown in the figure, AVmax = 100 V. AVmax sin 27ft L (a) The maximum current is 5.20 A at 44.0 Hz. Calculate the inductance L. mH (b) At what angular frequency w is the maximum current 1.70 A? rad/s ell

A 2.24 μF capacitor is connected as in the figure to an ac generator with εm = 40.0 V. What is the amplitude of the resulting alternating current if the frequency of the emf is (a)0.889 kHz and (b)10.8 kHz?   Image is attached below, thanks