1.7: Exercises

Last updated

Mar 1, 2023
Save as PDF
- 1.6: Summary
- 1.8: An Alternate Hypothesis Regarding PN Junctions

$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$

$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$

$\newcommand{\id}{\mathrm{id}}$ $\newcommand{\Span}{\mathrm{span}}$

( \newcommand{\kernel}{\mathrm{null}\,}\) $\newcommand{\range}{\mathrm{range}\,}$

$\newcommand{\RealPart}{\mathrm{Re}}$ $\newcommand{\ImaginaryPart}{\mathrm{Im}}$

$\newcommand{\Argument}{\mathrm{Arg}}$ $\newcommand{\norm}[1]{\| #1 \|}$

$\newcommand{\inner}[2]{\langle #1, #2 \rangle}$

$\newcommand{\Span}{\mathrm{span}}$

$\newcommand{\id}{\mathrm{id}}$

$\newcommand{\Span}{\mathrm{span}}$

$\newcommand{\kernel}{\mathrm{null}\,}$

$\newcommand{\range}{\mathrm{range}\,}$

$\newcommand{\RealPart}{\mathrm{Re}}$

$\newcommand{\ImaginaryPart}{\mathrm{Im}}$

$\newcommand{\Argument}{\mathrm{Arg}}$

$\newcommand{\norm}[1]{\| #1 \|}$

$\newcommand{\inner}[2]{\langle #1, #2 \rangle}$

$\newcommand{\Span}{\mathrm{span}}$ $\newcommand{\AA}{\unicode[.8,0]{x212B}}$

$\newcommand{\vectorA}[1]{\vec{#1}} % arrow$

$\newcommand{\vectorAt}[1]{\vec{\text{#1}}} % arrow$

$\newcommand{\vectorB}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$

$\newcommand{\vectorC}[1]{\textbf{#1}}$

$\newcommand{\vectorD}[1]{\overrightarrow{#1}}$

$\newcommand{\vectorDt}[1]{\overrightarrow{\text{#1}}}$

$\newcommand{\vectE}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{\mathbf {#1}}}}$

$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$

$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$

$\newcommand{\avec}{\mathbf a}$

$\newcommand{\bvec}{\mathbf b}$

$\newcommand{\cvec}{\mathbf c}$

$\newcommand{\dvec}{\mathbf d}$

$\newcommand{\dtil}{\widetilde{\mathbf d}}$

$\newcommand{\evec}{\mathbf e}$

$\newcommand{\fvec}{\mathbf f}$

$\newcommand{\nvec}{\mathbf n}$

$\newcommand{\pvec}{\mathbf p}$

$\newcommand{\qvec}{\mathbf q}$

$\newcommand{\svec}{\mathbf s}$

$\newcommand{\tvec}{\mathbf t}$

$\newcommand{\uvec}{\mathbf u}$

$\newcommand{\vvec}{\mathbf v}$

$\newcommand{\wvec}{\mathbf w}$

$\newcommand{\xvec}{\mathbf x}$

$\newcommand{\yvec}{\mathbf y}$

$\newcommand{\zvec}{\mathbf z}$

$\newcommand{\rvec}{\mathbf r}$

$\newcommand{\mvec}{\mathbf m}$

$\newcommand{\zerovec}{\mathbf 0}$

$\newcommand{\onevec}{\mathbf 1}$

$\newcommand{\real}{\mathbb R}$

$\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}$

$\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}$

$\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}$

$\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}$

$\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}$

$\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}$

$\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}$

$\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}$

$\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}$

$\newcommand{\laspan}[1]{\text{Span}\{#1\}}$

$\newcommand{\bcal}{\cal B}$

$\newcommand{\ccal}{\cal C}$

$\newcommand{\scal}{\cal S}$

$\newcommand{\wcal}{\cal W}$

$\newcommand{\ecal}{\cal E}$

$\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}$

$\newcommand{\gray}[1]{\color{gray}{#1}}$

$\newcommand{\lgray}[1]{\color{lightgray}{#1}}$

$\newcommand{\rank}{\operatorname{rank}}$

$\newcommand{\row}{\text{Row}}$

$\newcommand{\col}{\text{Col}}$

$\renewcommand{\row}{\text{Row}}$

$\newcommand{\nul}{\text{Nul}}$

$\newcommand{\var}{\text{Var}}$

$\newcommand{\corr}{\text{corr}}$

$\newcommand{\len}[1]{\left|#1\right|}$

$\newcommand{\bbar}{\overline{\bvec}}$

$\newcommand{\bhat}{\widehat{\bvec}}$

$\newcommand{\bperp}{\bvec^\perp}$

$\newcommand{\xhat}{\widehat{\xvec}}$

$\newcommand{\vhat}{\widehat{\vvec}}$

$\newcommand{\uhat}{\widehat{\uvec}}$

$\newcommand{\what}{\widehat{\wvec}}$

$\newcommand{\Sighat}{\widehat{\Sigma}}$

$\newcommand{\lt}{<}$

$\newcommand{\gt}{>}$

$\newcommand{\amp}{&}$

$\definecolor{fillinmathshade}{gray}{0.9}$

(Assume diodes are silicon unless stated otherwise)

2.7.1: Analysis Problems

1. For the circuit of Figure $\PageIndex{1}$ determine the circulating current if the supply is 6 volts and the resistor is 10 k $\Omega$ .

Figure $\PageIndex{1}$

2. Repeat Problem 1 if the diode is inserted in the opposite orientation.

3. Given the circuit of Figure $\PageIndex{2}$ , determine the voltage drops across the resistors. The source is 12 volts, $R_1$ = 4.7 k and $R_2$ = 3.3 k.

Figure $\PageIndex{2}$

4. In Figure $\PageIndex{3}$ determine the voltage drops across the resistors.

Figure $\PageIndex{3}$

5. Determine the LED current in Figure $\PageIndex{4}$ . Assume the LED barrier is 2.1 volts, the source is 5 volts and the resistor is 330 $\Omega$ .

Figure $\PageIndex{4}$

6. Repeat Problem 5 if the LED is inserted in reverse orientation.

7. Determine the resistor currents in Figure $\PageIndex{5}$ . The source is 15 volts, $R_1$ = 8.2 k and $R_2$ = 3.9 k.

Figure $\PageIndex{5}$

8. For the circuit of Figure $\PageIndex{6}$ , determine the resistor voltage. The source is 9 volts, the Zener potential is 5.1 volts and the resistor is 1 k.

Figure $\PageIndex{6}$

9. For the circuit of Figure $\PageIndex{7}$ , determine the resistor voltage. The source is 8 volts, the Zener potential is 3.3 volts and the resistor is 10 k.

Figure $\PageIndex{7}$

10. Determine the voltage across $R_2$ in Figure $\PageIndex{8}$ if the source is 9 volts, the Zener is 6.8 volts, $R_1$ = 5.1 k and $R_2$ = 33 k.

Figure $\PageIndex{8}$

2.7.2: Challenge Problems

11. Determine the resistor voltage in Figure $\PageIndex{9}$ if $E_1$ = 5 volts, $E_2$ = 9 volts and $R$ = 1 k.

Figure $\PageIndex{9}$

12. Determine the voltage across $R_2$ in Figure $\PageIndex{8}$ if the source is 9 volts, the Zener is 5.6 volts, $R_1$ = 5.1 k and $R_2$ = 3.9 k.

2.7.3: Design Problems

13. Determine a value for $R$ in Figure $\PageIndex{1}$ to set the current to 10 mA if the source is 5 volts.

14. Determine a value for $R$ in Figure $\PageIndex{4}$ that will set the LED current to approximately 20 mA if the source is 9 volts and the LED is a standard red type. Use a standard resistor value.

2.7.4: Computer Simulation Problems

15. Simulate Problem 9.

16. Simulate the circuit designed in Problem 14 for verification.

Search

Text Color

Text Size

Margin Size

Font Type

2.7.1: Analysis Problems

2.7.2: Challenge Problems

2.7.3: Design Problems

2.7.4: Computer Simulation Problems

2.7.1: Analysis Problems

2.7.2: Challenge Problems

2.7.3: Design Problems

2.7.4: Computer Simulation Problems

Support Center

How can we help?