1. Simplify the following circuit to find the equivalent resistor. (R = 15.02) 2. Find the current in the resistor labeled R. 3. Find the potential difference between points a and b. 5.00 S 10.08 WI 10.0 52 www ww 5.00 £2 25.0 V www R

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1. A purely resistive circuit the current is leading by 90° with respect to voltage. 2. A purely inductive circuit the current is lag behind the voltage by 90°. 3. A purely capacitive circuit the current is lead by 90° with respect to the voltage. 4. A capacitor element stored magnetic energy. 5. An inductor element stored electrical energy. 6. Resistor elements consume power. 7. Angle between current and voltage is called power. 8. The power factor angle for a purely resistive is zero. 9. The power factor angle for a purely inductive load is -90°. 10. The power factor of a purely capacitive is leading.

Using the supernode concept to determine the voltage marked v20 in the figure, the crossed wires that are not marked by a thick dot are not in physical contact.

in the image below, Please find the voltage across the resistor at time t = 0.00069 seconds. The energy stored in the capacitor and inductor at t=0 is 0 Joules. The values are I1 = 75 A, R = 0.059 ohms, L = 0.01 Henries, C = 0.04 Farads.

Assume all inductance values are known.  Please explain how to find the equivalent inductance as seen by the terminals a and b in the circuit below.    You don't need to give values, just explain the process step by step to find the value.

For the circuit in the figurea) Determine the time constant.b) Write the mathematical expression for IL, VL and VR, after the switch is closed.c) Determine IL, VL for one, three and five time constants.d) Draw the waveforms of IL, VL and VR.

The circuit in the figure is fed by a sinusoidal alternating voltage with a frequency of 50 Hz. The circuit consists of a resistor and a capacitor with the capacitance C= 600 μ Q. The power supplied to the circuit is P=400 W and the voltage across capacitor is UC=90 V. a) Calculate the current I. b) Calculate the resistance R. c) Calculate the voltage U (amount). d) Calculate the phase angle of the circuit

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An inductor and resistor are connected in parallel to a 120-V, 60-Hz line. The resistor has a resistance of 50 ohms, and the inductor has an inductance of 0.2 H. What is the impedence through the circuit?