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### HW+4+solutions

Course: PHY 9HD, Fall 2011
School: UC Davis
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UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
Physics 9HD Midterm 1 Review, Fall 2006Note: All units in CGS, unless otherwise specified. e = charge of electron = 4.8 x 10 -10 esu = 1.6 x 10 -19 coul Electric Forces and Fields, Gausss Law r QQ Coulombs Law : F = 1 2 2 r , Qi in esu, r in cm, F in dyn
UC Davis - PHY - 9HD
Physics 9HD, Midterm 2 review DC Circuits dq Current I = dt r r Ohms Law, V=IR for resistor, , J = E where is electrical resistivity of material, =electrical rr r conductivity=1/, and J is the current density, i.e., I = J da . r r r J = nev , where n=numb
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
Midterm #2Physics 9HD, Fall 2007Nov. 28, 2007NAME_ You are permitted to use one 8 /1/2 x 11 sheet of paper with formulas, and your calculator. MAXIMUM SCORE IS 100 POINTS SHOW ALL YOUR WORK. Please hand in your copy of the test with your work, so that
UC Davis - PHY - 9HD
Midterm #2 Physics 9HD, Fall 2009Nov. 23, 2009NAME_You are permitted to use one 8 /1/2 x 11 sheet of paper with formulas, and your calculator.MAXIMUM SCORE IS 100 POINTS. THE EXAM HAS 4 PROBLEMS ON 2 PAGES. SHOW ALLYOUR WORK. Please hand in your copy
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
Physics 9HD, Midterm 1, October 26, 2009You are permitted to use one 8 /1/2 x 11 sheet of paper with formulas. You will not need yourcalculator. MAXIMUM SCORE IS 100 POINTS. SHOW ALL WORK FOR PARTIAL CREDIT.r) ,rUseful formulas: In spherical coordi
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
Physics 9HD Final Exam Review Electromagnetic Induction 1 d B 1d r r = B da Faradays Law: E = c dt c dt Lenzs Law: The direction of the induced current is such that its magnetic field acts to oppose the change in the field which caused the induced current
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
Physics 9HD Fall 2011Quiz 1 - Monday October 17, 2011Name:Student ID:1. Consider two point charges Q1 = 5 esu and Q2 = 5 esu located 10 cm apart. What is theelectric potential, , at a point exactly between the two charges? You may use either cgs or S
UC Davis - PHY - 9HD
UC Davis - PHY - 9HD
UC Davis - ENG - 103
UC Davis - ENG - 103
UC Davis - ENG - 103
V \o* f y *Y,rmxge,, J t- lo 6?r: t o&quot;fnrT= 5 .t&quot;dFAA,Vr* 3 0,coo f/*n.a#T* 6 5d Y -'?* f *Ts=- 3 &quot;#&quot;R*P*r l=rIt* 9 8C&quot;RI-W:. ]T:j *-#&quot;f&quot;tk&amp;'rI&quot; cfw_eaf./WVzA ,v 1,|f ,q ,*s1lt l Y* f fr* *T*1lf&quot;n.J;tlll r *&quot; u r- : l +.6
UC Davis - ENG - 103
V \o* f y *Y,rmxge,, J t- lo 6?r: t o&quot;fnrT= 5 .t&quot;dFAA,Vr* 3 0,coo f/*n.a#T* 6 5d Y -'?* f *Ts=- 3 &quot;#&quot;R*P*r l=rIt* 9 8C&quot;RI-W:. ]T:j *-#&quot;f&quot;tk&amp;'rI&quot; cfw_eaf./WVzA ,v 1,|f ,q ,*s1lt l Y* f fr* *T*1lf&quot;n.J;tlll r *&quot; u r- : l +.6
UC Davis - ENG - 103
V \o* f y *Y,rmxge,, J t- lo 6?r: t o&quot;fnrT= 5 .t&quot;dFAA,Vr* 3 0,coo f/*n.a#T* 6 5d Y -'?* f *Ts=- 3 &quot;#&quot;R*P*r l=rIt* 9 8C&quot;RI-W:. ]T:j *-#&quot;f&quot;tk&amp;'rI&quot; cfw_eaf./WVzA ,v 1,|f ,q ,*s1lt l Y* f fr* *T*1lf&quot;n.J;tlll r *&quot; u r- : l +.6
UC Davis - ENG - 103
V \o* f y *Y,rmxge,, J t- lo 6?r: t o&quot;fnrT= 5 .t&quot;dFAA,Vr* 3 0,coo f/*n.a#T* 6 5d Y -'?* f *Ts=- 3 &quot;#&quot;R*P*r l=rIt* 9 8C&quot;RI-W:. ]T:j *-#&quot;f&quot;tk&amp;'rI&quot; cfw_eaf./WVzA ,v 1,|f ,q ,*s1lt l Y* f fr* *T*1lf&quot;n.J;tlll r *&quot; u r- : l +.6
UC Davis - ENG - 103
V \o* f y *Y,rmxge,, J t- lo 6?r: t o&quot;fnrT= 5 .t&quot;dFAA,Vr* 3 0,coo f/*n.a#T* 6 5d Y -'?* f *Ts=- 3 &quot;#&quot;R*P*r l=rIt* 9 8C&quot;RI-W:. ]T:j *-#&quot;f&quot;tk&amp;'rI&quot; cfw_eaf./WVzA ,v 1,|f ,q ,*s1lt l Y* f fr* *T*1lf&quot;n.J;tlll r *&quot; u r- : l +.6
UC Davis - ENG - 103
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UC Davis - ENG - 103
UC Davis - ENG - 103
UC Davis - ENG - 17
ENG17Capacitors and InductorsProf. Richard SpencerCapacitors A capacitor is a component that stores electriccharge, just like a reservoir stores water A simple capacitor can be made by putting anytwo conductive plates close to, but not touching,ea
UC Davis - ENG - 17
ENG17Summary &amp; ReviewSpring 2011Prof. SpencerFour Fundamental Quantities Four fundamental quantities:charge, flux linkage, current, voltage Charge is a fundamental property of some matter:electrical forces result from charge separation Flux linka
UC Davis - ENG - 17
UC Davis - ENG - 17
ENG17Frequency-Domain AnalysisProf. SpencerAC Sources AC voltages or currents are generated by:microphonesmusical instrumentssensors (e.g., pressure, temperature)AC power generatorsMany other sources Most AC voltage and currents are not sinusoid
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 1E17Due by 4PM on Friday, 4/1/2011 (in the HW box in Kemper 2131)1Consider Figure P1.1-2 on page 28 in the text.(a) Are elements e1 and e2 in series?(b) Are elements e1, e7 and e4 in parallel?(c) Are elements e5 and e6 in parallel?(d) Are eleme
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 2E17Due by 4PM on Friday, 4/8/2011 (in the HW box in Kemper 2131)Spring 2011Note that the first six problems are quite short and will only count as half a problem each.1Do Problem 2.2-3 in the text. Also find the voltages across both 2 resistors;
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 3E17Spring 2011Due by 4PM on Wednesday, 4/13/2011 (in the HW box in Kemper 2131)1Do Problem 4.1-5 in the text, parts (a) and (b) only. Then add the following: (c) solvethe equations you derived in (a) and (b) and show that both solutions yield th
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 4E17Due by 4PM on Friday, 4/22/2011 (in the HW box in Kemper 2131)Spring 20111Do Problem 5.1-2 in the text.2Do Problem 5.2-9 in the text.3Do Problem 5.4-4 in the text. This problem will count as much as two normalproblems. Note that vo is not
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 5E17Due by 4PM on Friday, 4/29/2011 (in the HW box in Kemper 2131)1Do Problem 6.3-6 in the text.2Do Problem 6.3-7 in the text.3Do Problem 6.4-2 in the text.4Do Problem 6.5-5 in the text.5Do Problem 6.5-6 in the text.6Do Problem 6.6-3 in t
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 6E17Due by 4PM on Friday, 5/6/2011 (in the HW box in Kemper 2131)Spring 20111Consider the circuit shown below and assume that vS (t ) = 3u (t ) 2u (t 2) . (a) FindvL(t) and i(t). (b) Plot vS(t), vL(t) and i(t) for 2 &lt; t &lt; 10 on three sets of axes
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 7E17Spring 2011Due by 4PM on Wednesday, 5/11/2011 (in the HW box in Kemper 2131)1Do Problem 9.2-3 in the text.You should also be sure to work the practice midterm, but that will not be graded.
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 8E17Due by 4PM on Friday, 5/20/2011 (in the HW box in Kemper 2131)Spring 20111Do Problem 11.1-5 in the text.2(This problem will count as much as two regular problems)Consider the resonant circuit shown below. (a) Given V S = 100 V, find the cur
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 9E17Due by 4PM on Friday, 5/27/2011 (in the HW box in Kemper 2131)Spring 20111Derive an equation for vO(t) in the circuit shown in terms of the two inputs, vs1(t) andvs2(t) and the components in the circuit. The opamp is ideal.2If you have a pu
UC Davis - ENG - 17
UC Davis - ENG - 17
HW 10E17Due by 4PM on Wednesday, 6/1/2011 (in the HW box in Kemper 2131)Spring 20111(a) Consider the circuit shown below and ignore the capacitor for this part of theproblem. Draw vO(t) assuming that vI (t ) = 120 2 cos(377t ) and using the simplem
UC Davis - ENG - 17
HW 10 (automation and NC programming)1) What do the following terms stand for?PLC: Programmable Logic ControlCNC: Computer Numerical Control2) What are the major components of an industrial robot?An industrial robot consist of manipulator, controller
UC Davis - ENG - 17
ENG17IntroductionSpring 2011Prof. SpencerWhat is Engineering? Engineering is the art of applying your knowledgeof science and mathematics to solve problems mathematics is the handmaiden to engineering!We will solve differential equations, but that
UC Davis - ENG - 17
UC Davis - ENG - 17
UC Davis - ENG - 17
Nonlinear Circuits1 A Primer for E17Richard Spencer, November 18, 2010 (modified May, 2011)Consider a network with input x (t ) and output y(t ) . If an input x1 (t ) produces an outputy1 (t ) and an input x2 (t ) produces an output y2 (t ) , then the