Electrical and Computer Engineering Homework Solutions

Inductor

The current through a 250-mH inductor takes the following values. Calculate the expression for the voltage across the inductor in each case (see attached file).

Current Electricity:Variable voltage, current in L, C and R

Determine and plot as a function of time the current through a component if the voltage across it has the waveform shown in Figure and the component is a: a) Resistor R = 7 Ω b) Capacitor C = 0.5 μF c) Inductor L = 7 mH

Growth of Current in Inductor: V-t plot given, I calculated

The voltage across an inductor plotted as a function of time is shown in Figure (see attached file). If L = 0.75 mH, determine the current through the inductor at t = 15 mu s.

Circuit with Potentiometer

Analyze the following circuit (in attached file) completely to find the loop currents and then the output voltage Vo across R4 with a potentiometer R3 of 1 k ohm. See attached file for full problem description.

Thevenin & Norton Equivalent Circuits

Find the Thevenin's and Norton's equivalent circuits of network in Fig. 4.5 (attached file), excluding RL. Add RL= 1.2K and find IL and VL.

Thevenin's and Norton's equivalent circuits of network

Find the Thevenin's and Norton's equivalent circuits of network in Fig. 4.6 (in attached file), excluding RL. Then, add RL = 1.2K and find IL and VL. See attached file for full problem description.

3 problems on Electrinc Current: Ohm's law

I need the solutions to this 3 problems as soon as possible.... by tonight or early tomorrow morning please help me....thanx

Circuit - Analog

(See attached file for full problem description)

Superposition Theorem

1.1 Analyze the circuit shown in Fig. 5.1 (see attached file) and find the expected voltage across the load resistor RL. Use mesh or nodal analysis to find the expected value. 1.2 Find the load voltages Vout1 and Vout2 with one voltage alone driving the circuit in each case. Also find the net response by using the superpositi ...continues

Maximum Power Theorem

a) Find the Thevenin's circuit for the circuit shown in Fig. 5.1 (see attachment) similar to the circuit shown in Fig. 5.2 (see attachment). b) Calculate the output voltage for different load resistors and the corresponding power and enter these values in Table 1. c) Plot a graph of load resistance vs power using Matlab ( ...continues

Browse