Hi all! I'm a student in APU University, Cambridge, England. One of my modules is Analogue Electronics, Exams are a few weeks away and i wanted to get an idea of how well ive grasped some of the concepts. We have been given a sheet to work through but have no one to mark it as all lectures are off site. just wanted to make sure i was on the right track. heres part of it:- Circuit Diagram - http://www.mwdata.plus.com/diagram.JPG a) Show that the capacitor C1 has a capacitance of about 13nF. so C1= 1/(2*Pi*f*Xc) 1/(2*Pi*2000*6000) =13nF? i think thats ok b) Calculate the magnitude of the combined impedance of the capacitor C1 in series with R1. so Z total= Zr1+Zc1? Z total = 14kOhm? c) Calculate the current I1 in the circuit. I1 = Ir1+Ic1? Ir1=v/r =3/8000 =3.75mA? Ic1=3/6000 =5mA? total = 8.75mA? d) Calculate the voltage Vc1 across the capacitor C1. so Vc1= Ic1 * Xc =0.0005*6000 =3v? Thank You In Advance. Jack Wood.