A series RLC circuit has R 4252, L = 1.35 H, C = 3.8 uF. It...

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A series RLC circuit has R 4252, L = 1.35 H, C = 3.8 uF. It is connected to an AC source with f = 60.0 Hz and AV 150 V. אברח What if the frequency is now increased to f = 77 Hz, and we want to keep the impedance unchanged? (a) What new resistance sho

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Answer 1

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$+ (a) The impedance is, Z=VR? +(x2 - x) X, = 27fL =2A(60)(1.35) = 508.9 22 1 X 27fC 1 27(60)(3.8x10-0) = 698.05 Then, z=\R? +$ R cos e = Z 0=cos-1 5-1 452.18 465.19 max = 13.58 (C) V. Occurs when X, = X Then Z=R AVR = V max = 150V AV, = IX, max = X Z 1

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A series RLC circuit has R 4252, L = 1.35 H, C = 3.8 uF. It...

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