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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“
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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
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$€C c. What is the cyclic ﬁ‘equenoy? I m r 0,000 d. What is the period?
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 Spring '17
 Dr. Heathcote
 Volt, It

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