extending from 0 to 5t. 1 ΜΩ TL, OL, and VR after the switch is closed for per + 45 V x。 + UR 12 ΚΩ www 8 ΚΩ 2 mH elle 4 + UL

Calculate C and L:

(b) Figure Q2(b) shows a BJT amplifier with ß = 120 and VBE = 0.7 V. (i) Calculate current, IB, IC and IE and output voltage, VCE for the circuit using exact analysis. (ii) Sketch the midband AC equivalent circuit using re model. (iii) Determine the input impedance, Zi, output impedance, Zo, voltage gain, Av and current gain, A; for the obtained answer in part Q2(b)(ii).

need help question 5&6，pls assit

find = i total f= 25khz

Figure U 4ΩΣ 3ΩΣ 6ΩΣ 5Ω ww ΖΩ www ΖΩ www ΤΩ 1 of 1 {6Ω {4Ω ΣΒΩ

Find the voltage across the inductor.

THE SWITCH HAs BezN w Posi tron 91 For A LONG TimE. 25V THE NITAL VOLTAce Across THE Zyf CAPACITUR Is ZERO, FwD TAG CURRENT Ć AproR THE SwitcH Is OPERATED br E=o 不15f 木f