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Test3 S06 solutions

Test3 S06 solutions - ECE211— 001 Test#3 Print Name By...

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Unformatted text preview: ECE211— 001 Test #3 March 31, 2006 Print Name By signing I am stating that I have taken this quiz in accordance with the NCSU honor code. Signature 1. For the circuit above, a load is connected between terminals a & b. Find the load impedance required for maximum power delivered to the load. Vi :bflmoy j 3 21K : UL ML: *V + (33 + (9)038 flDUjQ = D 1 0008(4t)V Z§reg zap SQ?€[email protected]®S\-¥\QC\ [— l ndUC’flU C. 3. a) At 440 VRMS a 2 terminal load draws 3000 VA at a power factor of 0.9 lagging. Find ?05 4 “—— the load impedance. MSlC 3 1 LY).— , LHOL 2 $000§<§b 8“ 2* 2-19 b) Given a circuit with Thevinin Voltage of 10<45° VRMS and Thevinin impedance of 10 + j 15 Q is connected to a capacitive load 6 — j3 Q, find the real power delivered to the load and the power factor of the load (include leading or lagging). pf = CObt QQ). loo lagging l); : ° qul {AK QOtPQUle. + 5cos(20t) V 3. For the circuit above, convert to the frequency domain. Find the phasor open circuit voltage, 17m. (V (X can be in expressed in polar or rectangular form) LQaH/i ‘l‘ O “YJKlOAq “*BOL\ 3 5. For the circuit above, write 2 equations with the 2 unknowns I71 and f2 . You do not need to simplify! ...
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