EE 220 Chapter 7 Examples

EE 220 Chapter 7 Examples - 5'.) Jii d. i 4.? Eli-220...

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Unformatted text preview: 5'.) Jii d. i 4.? Eli-220 P7-2-s The ‘33—.- adhere to the .: OA- (3) ‘ __ - ; "(1‘) = EU) where t Units of“ 3' voltage, 1(1), and current, 1'0“): passive convention. Also: v(0) CIRCUITS-I Chagter # 7- Examples of a 1-17 capacitor = W and «0) = 4:97; . . “WWW”... ,Q.<Hf.<:w‘-_ __. fi?’~i a. m“?- _ “Ema m... H 39.25... _ paisfifim mpg—<1. _ 2:: I W i: ~Lt1f):-=réz£:l.—J.Zl A _ NJ 4175*} 44:51. 2 (/3) @ v; ‘ _ P 7.3-2_ In a pulse power Cll'C‘Lllt the voltage of a 10-,uF capac~ no: 15 ZEIO for! <0 and , v = __ 6—4000!) 'V I: 0 Determine the capacitor current and the energy stored in the . capacitor at I = Oms and I = 10 I115. .— (2:35. “my: MSMWS’HE'Z/UPi—Q‘ @ P 7.4-1 Find the cum-ant id) for the circuit of Figure P 7.4-] . nswer: 2'0) = ~—1_2 sin 100mm if!) EMF 6 cos 100:: V 2‘uF ' FIGURE P 7.4—] 4m: -e'2.»uF-J--I--»r+;m: k .Q‘gxg _ __7 _. ._____: 2 )1 6+5 l c ‘ 4- .— dfiu) _ " Ifiméii2/56 ' C? i b :m P 7.51 The current, i0), in a IOO-mH inductor connected in a telephone circuit changes according to 0 :50 i(f)= 4: 05151 4 t 2 1 where the units of time are seconds and the units of current are amperes. Determine the power, pa), absorbed by the inductor and the energy, w(t), stored in the inductor. -—- —. —- .— ha“u—M.I——u—p‘ m_._.__._..—_._,._ m... _ .A ~ ——u ’- “ __.-._. ..—..-. __...—._.._._. —_...._ _. ___.__ .____F_.:_:_ .___.,m._ ... _ .._. .. L4. .... fir) = 14 sin 250: mA -_... 1 y I I _ _ ' - e P 7.7..3 cont . I i 7_ mduutors Find the . 31115 four Identical J - VEflLle of th .q. Answgn L = 2'86H e Inductance L. 25 :95 250; V L L I FIGURE P 7.7-3 —— fl — L-x-t~-—————e.— v v— ——~~ — —A — EU]: he;- 72; »_J:ii—i:‘l‘_i% '— ghheme P7-3-5 For the circuit of Figure P 7.8-6, determine the current and Voltage of each passive element at r = 0‘ and t = 0*. The c'-"'="3111Source is is =: 0 for I < 0 and i5 = 4A for £3 0. $20. fi<0 L .2: F-IGUREPIS-fi DP 7-5 For the circuit shown in Figure DP 7-5, select a value of R 50 that the energy stored in the inductor is equal to the energy stored ill-the capacitor at steady state. 209 FIGURE DP 7-5 _. ._L____;W-_ _¥__’L_f_fi,5-_3.p, -u______.__w_._..-.nq__ H_._:.fi_i__k.:—_>.__C_KS—L::—_fg ...
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This note was uploaded on 09/19/2009 for the course EE 220 taught by Professor Rawat during the Spring '09 term at Nevada.

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EE 220 Chapter 7 Examples - 5'.) Jii d. i 4.? Eli-220...

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