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img20170831_04213250.pdf - 3005‘ —JU J—USLUK.”'l IU...

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Unformatted text preview: 3005‘)! —JU J—USLUK.” 'l' IU) l. Simpli to one sin le cosine function: fy 3 (54—306) — ware—aw) (1.3‘BL-iéic‘) (~49 5costst+1éoj - +—o (6 4 was i 193%(30‘3 (515 ’1519 I 2. The voltage across a SuF capacitor is given by v(t) = 6?; 220:5? ) V . Determine the function for the current through the capacitor. 01w? LN“ ( a; ’ a V7; R “i” is? o .37 “3'0an :2 V :L : r " =3 I = a” no C (wefl. 0009 “5) j: :3 éA’ZED M ('50 54656))4 7,” ._. _ i W, __ _. , _...____ :W; :F. . ' n 7,, ._. , it 9.415th 6 cos (foot-#65") mA E 3. The curr tthrough an inductor: (choose one) X \ 6 Always l s the voltage across the indpgtor by Always lefi the voltage across the inductor by 90°. b. Wirwwwmm c. Is always in phase with the voltage across the inductor. d. Always lags the voltage across the inductor, but the phase angle depends on the frequency. e. Always leads the voltage across the inductor, but the phase angle depends on the frequency. 7.5 cos(20,000m‘+35°) v 4. Given a voltage of , a. What is the amplitude of the voltage? 7, 5 Vol+5 b. What is the angular frequency? 20,000 ”It rods f $€C c. What is the cyclic fi‘equenoy? I m r 0,000 d. What is the period? 1 1 “g: '3 ram “‘ «misc-c 25100 st ...
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