1 SCS+2)(5+1)³ Find yet) by Algebric Method FCs)=-

VR R a.1 For the Zener diode network shown in the figure to the right, determine VL, VR, Iz, and Pz. 1k2 V2 = 10 V 7 RL1.2 k2 VL 16 V a.2. Repeat part (a.1) with RL = 3 k2. PZM = 30 mW %3D

You are to design a simple power supply made up of recycled electrical parts to drive a motor. To simplify the design, you can model the running motor as a load resistor. The motor is rated for 20V and draws 100mA when running. 120Vrms Resistor 60HZ Vp Vs 0° + C1 1250pF a = 3.75 Zener "Motor BR805D а. If you were to model the running motor as a resistor what would the resistor value be? b. The transformer has a turns ratio a = 3.75. What are the RMS and Peak values of the secondary voltage? What is the peak voltage after the diode rectifier bridge (without C1, Zener, resistor, or load)? Draw the waveform. d. Determine the ripple voltage (VRIPPLE) without the Zener diode in the circuit (assume the Resistor above is 1002). Determine the part number of a suitable Zener diode to provide an output voltage of approximately 20v. (i.e. 1N4 C. е. 2.

a " zain IQ 45.PNG > Example 33: A thyristor used in a half wave rectifier used 220V. with firing angle 60° , total resistance load 1N , inductance 5mH and frequency 60HZ, calculate: (a) load voltage and current (b) maximum direct voltage and current (c) normalized voltage and current (d) root mean square voltage and current and (f) power factor.

Rz ww- I2 Ri It For the circuit above, assume D, and D, are Ideal diodes. Circuit elements are given as; V1= 3 Volts V2= -5 Volts R1= 2 kQ R2= 2 ko Calculate the voltage V in Volts units. (Give numeric results. Ex If you found 5.3 Volts, write down 5.3)

4) For single-phase half-controlled bridge rectifier shown in the figure : 1. Derive a formula for mean load voltage. 2. Draw the waveforms of Vosis w i3, ių and io assuming highly inductive Load and <=45°. T, 12

For the given circuit find the VRL Voltage of the load; VR Voltage in the resistance R; Iz Current of the Zener diode and the Pz Power in the Zener diode. VRL = ? Iz = ? Pz = ? If the Zener diode in the figure has an elbow tension of 0.7 V. Zener breaking voltage of VZ = - 15 V Vin = 40 V R = 1 kohm RL= 3 kohm Requirement: Take out Vth by mesh method and solve equations

I just want a solution without explanation

Apply each of diode approximations given the following parameters: D1: Si, rB = 2 Q, rR = 220 kQ D2: Si, rB = 5 Q, rR = 560 kQ and determine the current flowing through D1, D2 and R2, R3, the voltage across R3. Finalize answers as follows: Ideal approx: Id1= Id2= 12= , 13=_ V3= ; 2nd approx: Id1=_ Id23D 12= 13= V3= : 3rd approx: Id1=_, Id2= 12= 13= V3= R1 2.5 ka D1 D2 R3 10 V 2.5 ka R2 1 ko

Q3) The self capacitance of each unit in a string of four suspension insulators is C. The shunting capacitance of the connecting metal work of each insulator to earth is 0-2 C. Calculate (i) the voltage across each insulator and (ii) string efficiency.