221-EE201
HW # 1
1. The voltage and current at the terminals of the circuit element in Fig.1(a) are
shown in Fig.1(b).
a) Sketch the power versus t plot for
b) Calculate the energy delivered to the circuit element at 𝑡 = 10, 30 and
80 𝑚𝑠.
1
Date due: Thursday, Sep. 15, 2022
221-EE201
HW # 1
2. The voltage and current were measured at the terminals of the device shown in
Fig.2(a). The results are tabulated in Fig.2(b).
a) Construct a circuit model for this device using an ideal voltage source in
series with a resistor.
b) Construct a circuit model for this device using an ideal current source in
parallel with a resistor.
c) Assume that a 10 Ω resister is connected to this device, what will be the
amount of power delivered to this resistor?
2
Date due: Thursday, Sep. 15, 2022
221-EE201
HW # 1
3. For the circuit in Fig. 3,
a. Use KVL, KCL and Ohm’s law to find 𝑖1 , 𝑖2 and 𝑖3 .
b. Find the power dissipated in each resistor.
c. Verify that the total power dissipated in the circuit equals the power
developed by the 10 V source.
3
Date due: Thursday, Sep. 15, 2022