hw_4s08 - standard form. (a) v c ( t ) = 40 cos(20 t-90 o )...

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EECE 519 Homework #4 (Due Thursday, February 28) 1. Find the equivalent capacitance. 20 μF 60 μF 120 μF 50 μF 70 μF 2. Express the following voltages in polar form. (a) v 1 ( t ) = - 10 cos( ωt + 50 o ) (b) v 2 ( t ) = 12 sin( ωt - 10 o ) 3. The voltage across a 100 μF capacitor is as shown below. Express the current through the capacitor in each case in
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Unformatted text preview: standard form. (a) v c ( t ) = 40 cos(20 t-90 o ) V (b) v c ( t ) =-60 sin(80 t + 30 o ) V 4. Solve for the current i(t) using phasor technique if v s ( t ) = 12 cos 3 t V.-+ v s ( t ) 3 3 H 1 3 F i ( t ) 1...
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