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{ 𝑍𝐴 = 3 − 𝑗2 𝑍𝐵 = 8 + 𝑗10 𝑍𝑋𝐶2 = −𝑗10 𝑍𝐼𝑁 = 𝑍𝐴 × 𝑍𝐵 𝑍𝐴 + 𝑍𝐵 + 𝑍𝑋𝐶2 → 𝑍𝐼𝑁 = (3 − 𝑗2) × (8 + 𝑗10) (3 − 𝑗2) + (8 + 𝑗10) + (−𝑗10) → → 𝑍𝐼𝑁 = (44 + 𝑗14) (11 + 𝑗8) + (−𝑗10) → (3,22 − 1,070 ) + (−𝑗10) → 𝑍𝐼𝑁 = 3,22 − 𝑗11,07 ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗ 𝑍𝐼𝑁 = 3,22 − 𝑗11,07 [Ω] ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗ 𝑋𝐶1 = 1 𝜔𝐶 → 1 50 × 10 × 10−3 → 𝑋𝐶1 = −𝑗2 [Ω] 𝑋𝐿1 = 𝜔𝐿 → 50 × 0.2 𝐻 → 𝑋𝐿1 = 𝑗10 [Ω] 𝑍𝑋𝐶2 = 1 𝜔𝐶2 → 1 50×2×10−3 → 𝑍𝑋𝐶2 = −𝑗10 [Ω] 𝑍𝐼𝑁 = 𝑍𝐴 × 𝑍𝐵 𝑍𝐴 + 𝑍𝐵 → { 𝑍𝐴 = 50 + 𝑗20 𝑍𝐵 = 50 + 𝑗80 𝑉𝐺 = 110 < 0° 𝑍𝐼𝑁 = 𝑍𝐴 × 𝑍𝐵 𝑍𝐴 + 𝑍𝐵 → (50 + 𝑗20) × (50 + 𝑗80) (50 + 𝑗20) + (50 + 𝑗80) → 𝑍𝐼𝑁 900 + 𝑗5000 100 + 𝑗100 → 𝑍𝐼𝑁 = 29 + 𝑗20,5 [Ω] → 𝑍𝐼𝑁 = 35,92 < 34,79° 𝐼𝐺 = 𝑉𝐺 𝑍𝐼𝑁 → 110 < 0° 35,92 < 34,79° → 𝐼𝐺 = 3,06 < −34.79° 𝑖𝑔 (𝑡) = 3,06√2 𝑠𝑒𝑛 (𝜔. 𝑡 − 34,79°)[𝐴] 𝐼1 = 𝑉𝐺 𝑍𝐴 → 110 < 0° 50 + 𝑗20 → 𝐼1 = 2,04 < −21,8° 𝑖1 (𝑡) = 2,04√2 𝑠𝑒𝑛(𝜔. 𝑡 − 21,8°)[𝐴] 𝐼2 = 𝑉𝐺 𝑍𝐵 110 < 0° 50 + 𝑗80 → 𝐼2 = 1,16 < −57,99° 𝑖2(𝑡) = 1,16√2 𝑠𝑒𝑛 (𝜔. 𝑡 − 57,99°)[𝐴] 𝐹𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑖𝑎 𝑑𝑒 𝑅𝑒𝑠𝑠𝑜𝑛â𝑛𝑐𝑖𝑎 → 𝑓0 Quando 𝑋𝐶 = 𝑋𝐿 → 1 2𝜋𝑓𝐶 = 2𝜋𝑓𝐿 → 𝑓0 = √1 2𝜋×√𝐿𝐶 → → 1 2𝜋 × √10−3 × 100 × 10−9 → 𝑓0 = 15915,49 [𝐻𝑧 ] 𝐼 = 𝑉𝐺 𝑍𝐼𝑁 → 𝑠𝑒 𝑋𝐶 = 𝑋𝐿 𝑒𝑛𝑡ã𝑜 𝑍𝐼𝑁 = 150 [Ω] → 15 150 → 𝐼 = 100𝑚𝐴 [𝑍] = [ 𝑍11 𝑍12 𝑍21 𝑍22 ] → 𝑍11 = 𝑉1 𝐼1 𝑠𝑒 𝐼2 = 0 → 𝑍11 = 20𝐼1 + 40𝐼1 𝐼! → 𝑍11 = 60 [Ω] 𝑍21 = 𝑉2 𝐼1 𝑠𝑒 𝐼2 = 0 → 𝑍21 = 40𝐼1 𝐼1 → 𝑍21 = 40 [Ω] Z12 = V1 I2 se I1 = 0 → Z12 = 40I2 I2 → Z12 = 40 [Ω] Z22 = V2 I2 se I1 = 0 → Z22 = 30I2 + 40I2 I2 → Z22 = 70 [Ω] [𝑍] = [ 𝑍11 𝑍12 𝑍21 𝑍22 ] → [𝑍] = [ 60Ω 40Ω 40Ω 70Ω ] V1 1/ (2𝜋 × √10−3 V2 1/ (2𝜋 × √10−3 I2 1/ (2𝜋 × √10−3 I1 1/ (2𝜋 × √10−3 𝑌𝑇 = 𝑌𝑅 + 𝑌𝐿 → 1 80 + 1 𝑗60 → 0,0125 (𝑠 ) − 𝑗0,0167 (𝑠) → 𝑌𝑇 = 0,0125 (𝑠 ) − 𝑗0,0167 (𝑠) 𝑍𝐼𝑁 = 1 𝑌𝑇 → 1 0,0125 (𝑠 ) − 𝑗0,0167 (𝑠) → 𝑍𝐼𝑁 = 48 < 53,18° 𝐼 = 𝑉𝐺 𝑍𝐼𝑁 → 120 < 90° 48 < 53,18° → 𝐼 = 2,5 < 36,8° 𝑍𝐼𝑁 = 4 − 𝑗3 → 𝑍𝐼𝑁 = 𝑍 < 𝜃 → 𝑍 = √𝑅2 + 𝑋𝐶 2 → → 𝑍 = √42 + (3)2 → 𝑍 = 5 [Ω] 𝜃 = 𝑎𝑟𝑐𝑡𝑔 −𝑗3 4 → 𝜃 = −36,86° 𝑍𝐼𝑁 = 𝑍 < 𝜃 → 𝑍𝐼𝑁 = 5 < −36,86° 𝐼 = 𝑉𝐺 𝑍𝐼𝑁 → 10 < 0° 5 < −36,86° → 𝐼 = 2 < 36,86° 𝑖(𝑡) = 2√2 𝑠𝑒𝑛 (𝜔. 𝑡 + 36,86° )[𝐴] { 𝑅 = 4 Ω 𝑋𝐿 = 𝑗3Ω 𝑉𝐺 = 40 < 0° [𝑉] 𝑍𝐼𝑁 = 4 + 𝑗3 → 𝑍𝐼𝑁 = 5 < 36,86° 𝐼 = 𝑉𝐺 𝑍𝐼𝑁 → 40 < 0° 5 < 36,86° → 𝐼 = 8 < −36,86° → 𝑖(𝑡) = 8√2 𝑠𝑒𝑛 (𝜔. 𝑡 − 36,86°)[𝐴]
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