Question

1. In the circuit below Li mm Lz R mm mm Vyt + Volt) ^ 3 x с you are given: R= 0.2512; Li L2 1H; C = 1F and vg(t) = 5 cost. C

Do not worry about the tree part at the end of the question.

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Answer #1

1 rad/sec. in. Xca 19c XL = XL2= W1, W12:11 ixu = jin m 2 j X2 =jla mm 0.252. M + Vr. 3 Ve 82 -jxc -jln Vght) = Scost = 520 bto outer loop we have Apply KUL so. -520° +31 ?z +(-j1) I sBy substituting equation @ -560° + j 1 Iz + (-; 1) (1 + j 1) 13 =Pabsorbed = va coso (20)45) Coslo) Q=O. VARs 100 watts jtu current Iz as Loo A. voltage - Izl:1) = 5248 AV P = ON 9 = 90 Pab3 VR current = 3(V2) 3(5498) z 15lao. voltage By EvL. -0 -s-vp + voltage stve - voltage = 5-tslae = stjs 7.071 <45°. S $= 45-

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