Discussion Week 8 + Tut8

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a) = ? b) ₁₁ = ? Problem 8: (8 Points, 2 points each) Derive the current equations for the circuit shown below, using the labels as shown. Note that r₂ here is a model of the parasitic imperfection of the Zener diode, as discussed in Lecture 30. c) Iz = ? d) What impact does г, have on V₁? R₁ www I Vz VPS www RL VL

Find Voutput & find the ripple voltage :)

Q2) Find the Performance Parameters of a Full-Wave Rectifier with an RL Load, the single-phase full-wave rectifier of the figure below has L = 6.5 mH, R = 2.52 and E= 10 V. The input voltage is Vs = 120 V at 60 Hz. Assume that the load current is continuous current. Where: V io (t) = -(sin(wt - 0)+ im Z 2 -R 1-ewr -sin 8.e *) E R Determine: (1) The steady-state load current lo at wt = 0, (2) The average diode current Ip(av), (3) The rms diode current Ip(ms), (4) The rms output current lo(ms), and (5) The input power factor PF D₁ D₂ A Pa D₂ A + Vo 1. E

A 1N4748A zener diode has a ZZ of 23 Ω. Taking the data from the datasheet VZ = 22 V with a test current, IZ, of 11.5 mA. What is the voltage across the zener terminals when the current is 6 mA? When the current is 20 mA? Make the representation of the values ​​by means of their curve characteristic.

Question1: In your own words, supported by figures, qualitatively describe the silicon pn junction in (a) equilibrium; (b) reverse bias; (e) forward bias. Question2: A pn junction uses NA = 2x1016 /cm and Np-9x1015 /cm?. Determine the built-in voltage at room temperature (T-600k)? Question3: Find the built-in voltage in a pn junction with acceptor concentration=1016/cm and donor concentration=1015/cm'. Also, calculate the width of the depletion region and the magnitude stored on each side of the junction. Use n=1.5x1010 /cm', ɛ, = 11.7 €g. Eo=8.854x10-14 F/cm, q=1.6x10-19c Question4: A pn junction is biased with a reverse voltage (VR) and is doped with Na = 2x1016 /cm' and ND-8x10!5 /cm Determine the capacitance of the device with (a) VR-0v; (b) VR-1v. E, = 11.7 €0, E0-8.854x10-14 F/cm, q=1.6x10-1°c, n=1.5x1010 /cm , m=1/3, Vr=25.8mV, Cross- section area = 2x10 cm?. %3D

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Please solve this question queckly

can u solve this in 20 min?