Circuit homework

University of Dayton

Fall 2016

EGR203-02 Electrical and Electronic Circuits

Homework 3 Due date: 09-21-2016 Total points: 20

1. Using node voltage analysis, determine the currents ia and ib in the circuit shown here.

2. Using mesh current analysis, find the voltage, v, across the 3- resistor. Write the three mesh

equations and find the currents and then calculate the voltage v.

3. Using mesh current analysis, find the currents i1 and i2 for the circuit shown here.

Is1

1 A

Is2

3 A

R1

10Ω R2

2Ω

R3

3Ω

ia ib

a b

4. Determine the Thevenin equivalent circuit as seen by the load resistor RL for the circuit given below.

Find the load resistance for maximum power transfer in this circuit.

VS = 9 V, R1 = 1.5 k, R2 = 3.0 k, R3 = 1.0 k.

5. Find the Norton equivalent for the circuit to the left of the terminals a – b.

6. Find the Thevenin equivalent as seen by the load resistor RL for the circuit shown below.

7. Find the Thevenin equivalent of the circuit connected to the resistor RL. If RL = 4 , calculate the

current through RL.

Vs

8 V

R1

1Ω

R2

2Ω

R3

3Ω

R4

5Ω

a

b