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107f00t1_ans - f‘ EET 107 3 pages K Name A A S u c v k S...

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Unformatted text preview: f‘ EET 107 3 pages K Name A A S u) c v k S? Dlv Fall 2000 - Test #1 SSN Seat 0 Show all your work in stgndard hgmgwork [gma t: WHAT — HOW wIth values = ANSWER 0 Clear, organized problem development required 0 Problems requiring calculations: NO WORK = NO CREDIT (- REALLY “0" POINTS I! Exception: calculations not required for; problems 1, 2, 3, 4. 0 Place your answers in the blanks provided - do not box answers 0 Answers must have CORRECT ENGINEERING UNITS. Problems 1-2: Convert to the best aggrogriatg prefixed abbreviation unit (m,k,u. M, etc.). 1.(5) 10,0009 ’ 1. O kne 2.(5)0.05v ‘ SOMV 3.(5) Convert 20,000 nA to HA 2 0 g 4.(5) Evaluate and write result in engineering notagion (correct calculator solution ok but if answer wrong without work -) no partial credit) 3 (4)301)" _ g 56» X I o lamb” ‘ - w ,. engineering notation W ‘ S .(5) Convert 3 cent per microsecond to dollars per hour. Show work In “clear, organized approach. 3 E + (a e 3‘ Dollars per hour I O 80 Y. r) 0 m M. 6.(~5) :How much energy (work) is required to create 12V with 6C of charge? ‘ 723‘ 7. (5) A watch battery 15 rated at 20mAh. How long can it draw 1011A of current before it becomes di harged? timeuntil dead 2 ' QQO hours Energy__________ EET 107 . __ . ,4 e ., V, -2- , Test1 -Fa|l2000 8.(5) Show on the schematic how to properly connect a current meter, an ohmmeter and a volt meter‘to measure the'resistgr resistance, current, and voltage, respectively. If polarity matters, show the (R) red lead and (B) black lead meter connections needed to get a . "+" indication. Also, indicate if the power supply must be QFF or _(_)_N_ to make the reading. ‘ Ohmmeter Volt Meter ‘ Current Meter “23(5) 1480 "cbulom e flows in 2 minutes. Find the current produced. Current 4 A lO.(S) Suppose you pick up the following carbon resistor, find: (** Careful: watch resistor orientation! **) \e“ Nominal Resistance 1 D 0 kn! Tolerance + 20 % < ‘3th U u L 9 Maximum Rated Resistance ' 2-0 kn! at »_ . IL ___ —-——-—-———-—-———-—-————-——n—-—pqq-————. r. p I , 3 . 9""; .v _ i ‘ 1 MN) On the schematic below, draw the proper voltage polarity (+/—) on each component (B; D, R, LED). : The diode D is (F) forward biased or (R) reverse biased? E 2' The LED is OFF or ON? 0 F F fa». 12.(5) List. the parameter symbol, unit, and unit symbol for each parameter below (time is given as an example): Parameter , Unit Parameter S bol Unit S - 01 —-m- “w —-fi-m_-;- -‘é-m‘- EET 107 - 3 — ‘ g Test 1 - Fall, 2000 13 (5) Name the three commons J7 A ”L QbagSts v, 6V 14. b. (S)D rwg wthe bubble notation schematic of the above circuit. Mme current I direction on your schematic. » . +6“ 3/: -w 16. (10) Use the component characteristic curve to find the component’s current when operating at 6 V. Then find its static (DC) resistance and static conductance. , 1 (mA) Currentat6V . 3mfi @ Resistance 2- kfi’ Conductance 500 5 ix/ /, ...
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