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Unformatted text preview: =v1+v2 is equal to [ ] ) 279 . cos( 62 . 20 ) sin( 67 . 5 ) cos( 82 . 19= + = t t t v T . Hint: Expand coss using formula for angle addition. Note that the last b. Solve the problem using phasors. Show that 16 62 . 20 j e V= Note that 0.279=16 o . 6. Circuits using Phasors. The impedance of a branch is given by Z=50+j40 . Calculate a. Resistance b. Reactance c. Admittance d. Conductance e. Susceptance f. Magnitude of the impedance g. Phase angle of the impedance 7. Circuit Problem. A current of i(t) = 3cos(120 t)4sin(120 t) A is flowing through a branch with a resistor = 2 , capacitor= 2F and inductor = 2H , all connected in series. Find the expression for the (steadystate) voltage across the branch in Phasor form V and timevarying form, v(t) ....
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This homework help was uploaded on 04/07/2008 for the course ENEE 204 taught by Professor Gomez during the Fall '04 term at Maryland.
 Fall '04
 Gomez
 Volt

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