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Jakob Littel

Feb 20, 2025

A low-pass filter consists of a 114μF capacitor in series with a 155Ω resistor. The circuit is driven by an AC?

A low-pass filter consists of a 114μF capacitor in series with a 155Ω resistor. The circuit is driven by an ACPart AWhat is the crossover frequency fc? fc =Part BWhat is Vc when f=1/2 fc?Part C What is Vc when f=fc?
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Hermina Ferry

Feb 20, 2025

A) fc = 1/(2*pi*R*C) = 9 HertzC) when f= fc, Vc = 0.707(V in)This is because Xc = R Vc = (V in)(jXc/(R + jXc) = (V in)(j/(1+j)|Vc| = |V in|(1/(sqrt 2) = 0.707 VinB) when f = 1/2(fc), Vc = 0.89(V in) Xc = 2RVc = (V in)(j2/(1 +j2) |Vc| = |V in|(2/(sqrt 5) = 0.89(V in)... Show More
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