Chapter Questions
Determine the frequency of the following two currents and the phase angle between them.$$\begin{aligned}& i_1(t)=4 \cos \left(754 t-60^{\circ}\right) \mathrm{A} \\& i_2(t)=3 \cos \left(754 t+20^{\circ}\right) \mathrm{A}\end{aligned}$$
Determine the frequency of the following voltages and the phase angle between them.$$\begin{aligned}& v_1(t)=100 \sin \left(377 t+25^{\circ}\right) \mathrm{V} \\& v_2(t)=60 \cos \left(377 t-40^{\circ}\right) \mathrm{V}\end{aligned}$$
Find $\mathbf{V}_1$ in the network in Figure P4.3.Figure P4.3 can't copy
In the circuit in Figure P4.4, $v_1(t)=12 \cos$ $\left(377 t+20^{\circ}\right)$ V. Find I.Figure P4.4 can't copy
In the circuit in Figure $\mathrm{P} 4.5, i(t)=2 \cos$ $\left(377 t+60^{\circ}\right)$ A. Find $\mathbf{V}_1$.Figure P4.5 can't copy
Find the impedance $\mathbf{Z}$ shown in Figure P4.6. $\omega=377 \mathrm{r} / \mathrm{s}$.Figure P4.6 can't copy
Determine the impedance $\mathbf{Z}$ shown in Figure P4.7. $f=60 \mathrm{~Hz}$.Figure P4.7 can't copy
Find $\mathbf{Z}$ in Figure $\mathrm{P} 4.8$ if $\omega=10 \mathrm{r} / \mathrm{s}$.Figure P4.8 can't copy
Calculate the equivalent impedance at terminals $A-B$ in the circuit shown in Figure P4.9.Figure P4.9 can't copy
Determine the impedance $\mathbf{Z}$ shown in the circuit in Figure P4.10.Figure P4.10 can't copy
Find the equivalent impedance $\mathbf{Z}$ shown in the circuit in Figure P4.11.Figure P4.11 can't copy
Calculate $\mathbf{Y}_{\text {eq }}$ as shown in Figure P4.12.Figure P4.12 can't copy
Calculate the equivalent admittance $\mathbf{Y}_p$ for the network in Figure P4.13 and use it to determine the current $I$ if $\mathbf{V}_S=60 \angle 45^{\circ} \mathrm{V}$.Figure P4.13 can't copy
Determine the equivalent impedance $\mathbf{Z}$ shown in the network in Figure P4.14.Figure P4.14 can't copy
Calculate the impedance $\mathbf{Z}_{A B}$ at the terminals $A-B$ in the network in Figure P4.15.Figure P4.15 can't copy
Find $\mathbf{V}_0$ in the circuit in Figure P4.16.Figure P4.16 can't copy
Calculate $\mathbf{V}_0$ in the network in Figure P4.17.Figure P4.17 can't copy
Find $\mathbf{V}_0$ in the network in Figure P4.18.Figure P4.18 can't copy
Find $\mathbf{V}_0$ in the circuit in Figure P4.19.Figure P4.19 can't copy
In the circuit in Figure P4.20, find $\mathbf{V}_0$.Figure P4.20 can't copy
Find $\mathbf{V}_0$ in the network in Figure P4.21.Figure P4.21 can't copy
Calculate $\mathbf{I}_0$ in the circuit in Figure P4.22.Figure P4.22 can't copy
Find $\mathbf{I}_0$ in the network in Figure P4.23.Figure P4.23 can't copy
Determine the voltage across the current source in the network in Figure P4.24,Figure P4.24 can't copy
Find the current $\mathbf{I}$ in the network in Figure P4.25.Figure P4.25 can't copy
Find the currents $\mathbf{I}_1, \mathbf{I}_2$, and $\mathbf{I}_3$ in the network in Figure P4.26.Figure P4.26 can't copy
Find $\mathbf{I}_0$ in the network in Figure P4.27.Figure P4.27 can't copy
Draw a phasor diagram illustrating all currents and voltages for the network in Figure P4.28.Figure P4.28 can't copy
Draw a phasor diagram illustrating all currents and voltages for the network in Figure P4.29.Figure P4.29 can't copy
In the network in Figure P4.30, $\mathbf{V}_0$ is known to be $8 \angle 45^{\circ} \mathrm{V}$. Compute $\mathbf{V}_S$.Figure P4.30 can't copy
Use nodal analysis to find $\mathbf{V}_1$ and $\mathbf{V}_2$ in the circuit in Figure P4.31.Figure P4.31 can't copy
Use nodal analysis to find $\mathbf{I}_0$ in the circuit in Figure P4.32.Figure P4.32 can't copy
Use nodal equations to find the current in the inductor in the circuit shown in Figure P4.33.Figure P4.33 can't copy
Determine $\mathbf{I}_0$ in the circuit shown in Figure P4.34 using nodal analysis.Figure P4.34 can't copy
Determine $\mathbf{V}_0$ in the circuit shown in Figure P4.35.Figure P4.35 can't copy
Find $\mathbf{I}_0$ in the circuit in Figure P4.36.Figure P4.36 can't copy
Use mesh analysis to find $\mathbf{V}_0$ in the circuit shown in Figure P4.37.Figure P4.37 can't copy
Find the currents $\mathbf{I}_1$ and $\mathbf{I}_2$ in the circuit in Figure P4.38.Figure P4.38 can't copy
Find $\mathbf{V}_0$ in the network in Figure P4.39 using loop analysis.Figure P4.39 can't copy
Use loop analysis to find $\mathbf{I}_0$ in the circuit in Figure P4.40.Figure P4.40 can't copy
Find $\mathbf{V}_0$ in the network in Figure P4.41 using loop analysis.Figure P4.41 can't copy
Solve problem 4.31 using MATLAB.
Solve problem 4.32 using MATLAB.
Solve problem 4.38 using MATLAB.
Solve problem 4.39 using MATLAB.
Find $\mathbf{V}_0$ in the circuit in Figure $\mathrm{P} 4.46$ using superposition.Figure P4.46 can't copy
Use superposition to find $\mathbf{I}_0$ in the network in Figure P4.47.Figure P4.47 can't copy
Solve problem 4.37 using superposition.
Use superposition to find $\mathbf{V}_0$ in the circuit in Figure P4.49.Figure P4.49 can't copy
Find $\mathbf{I}_0$ in the network in Figure P4.50 using superposition.Figure P4.50 can't copy
Use superposition to find $\mathbf{V}_0$ in the circuit in Figure P4.51.Figure P4.51 can't copy
Use source transformation to find $\mathbf{I}_0$ in the network in Figure P4.52.Figure P4.52 can't copy
Find $\mathbf{V}_0$ in the network in Figure P4.53 using source transformation.Figure P4.53 can't copy
Use source transformation to find $\mathbf{I}_0$ in the circuit in Figure P4.54.Figure P4.54 can't copy
Use source transformation to find $\mathbf{V}_0$ in the network in Figure P4.55.Figure P4.55 can't copy
Solve problem 4.41 using Thevenin's theorem.
Solve problem 4.40 using Thevenin's theorem.
Solve problem 4.39 using Thevenin's theorem.
Solve problem 4.51 using Thevenin's theorem.
Find $\mathbf{I}_0$ in the network in Figure P4.60 using Thevenin's theorem.Figure P4.60 can't copy
Solve problem 4.32 using Norton's theorem.
Solve problem 4.40 using Norton's theorem.
Use Norton's theorem to find $\mathbf{V}_0$ in the circuit in Figure P4.63.Figure P4.63 can't copy
Find the exponential Fourier series for the periodic function shown in Figure P4.64.Figure P4.64 can't copy
Find the Fourier coefficients for the waveform in Figure P4.65.Figure P4.65 can't copy
If the input voltage in Figure $\mathrm{P} 4.66$ is $v_s(t)=1-\frac{2}{\pi} \sum_{n=1}^{\infty} \frac{1}{\mathrm{n}} \sin 0.2 \pi n t \mathrm{~V}$, find the expression for the steady-state current $i_0(t)$.Figure P4.66 can't copy
Determine the first three terms of the steadystate voltage $v_0(t)$ in Figure P4.67 if the input voltage is a periodic signal of the form.Figure P4.67 can't copy