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- For the circuit shown below, the diode cut in voltage is Vy0.7V. Th value of I, varies over the range 0 s l, s 6mA. The Value of R-2.4kn and the value of Ve 4.8V Vo At which value of l, does the diode turn on O a.2.292 mA b. 1.833 mA c. 2.865 mA O d. 1.467 mA If l = 2.1mA, What is the value of Vo O a. 5.04 V O b. 4.03 V O c 6.3 V O d. 3.23 V If l= 1.6mA, What is the value of lo O a. 1.917 mA b. 0 mA O c 0.639 mA O d. 1.278 mA EO oConsider the circuit shown in the figure below with Ry=13 ko and R=9 kO. The Zener diode voltage is Vz = 3.5 V, then the currents Iz and , respectively, are equal to: R1 ww 20 V O a. 1.280 mA, 0.789 mA O b. 0.680 mA, 0.189 mA O c. 0.880 mA 0.389 mA O d. 1.080 mA, 0.589 mAIn the circuit shown below. Determine the following a. Vs (at the secondary) b. Vout (across RL) c. Vrip (ripple votage) d. VDC e. PIV (Peak Inverse Voltage) 10:1 Output 115 V mis 60 Hz RL 2.2 k) D, 50μF- All diodes are IN4001. Tund AlMannai EENG261 Page 5/11
- In RL load connected (without free transition diode), single phase, uncontrolled, full wave rectifier (4 diodes), the source voltage is sinusoidal and its effective value is 44Volt, 50 Hz. The ohmic load value connected to the circuit is 10 ohms. Average value of load current calculate. (L>>R) a) 4.16 A b) 3.46 A C) 3.26A d) 4.56 A e) 3.96 AProblem # 4 In the circuit shown below. Determine the following a. Vs (at the secondary) b. Vout (across RL) c. Vrip (ripple votage) d. VpC e. PIV (Peak Inverse Voltage) 10:1 Dy 1ISV ms Ouiput RL 2.2 k2 D, 50 pF All diodes are IN4001. alleeeIn a single phase full wave controlled rectifier connected to Inductive load (with freewheeling diode) find the expression for the average value of voltage across the load when supply voltage is Vs = Vm sinwt and firing angle = a. Vm/TT cosa 2Vm/TT cosa Vm/TT (1+cosa) 2Vm/TT (1+cosa)
- B Answer all the questions. (1) The ms value of the input voltage for a bridge network is shown in the following figure. (a) Sketch Vo and determine average output Vo for the configuration of the following figure. (b) Determine the de voltage and r.m.s voltage of output. (c) Determine the required PIV rating of each diode. (d) Does this network work as a clipper? Ideal diodes 170 V 2.2 k2 2.2 ka -170 V 2.2 ka Sketch V and KFrom the circuit below, 1.) Determine the current IRL flowing through the resistor RL.2.) Determine the current Iz flowing through the zener diode.3.) Determine the current Iz flowing through the zener diode if RL is removed or opens?• A Si diode at a temperature of 25°C has VD = 0.7V at Is = 10nA. The temperature is raised to 125°C. 1. Calculate ID at 25°C. 2. What is effect of rise in temperature on VD & IS 3. Calculate ID at 125°C.
- Select any diode from LTSpice Library. (The type of diode should either be RECTIFIER or SILICON) Create a Half-Wave Rectifier circuit. Use a resistor of 1000 Ohms. Input Voltage should be 95VAC - 65Hz Plot both the Input voltage and output voltage. Determine the Voltage drop across the diode by subtracting the output voltage to the input voltage peaks. Create a Bridge-Type Full Wave Rectifier Circuit. Repeat the steps done on the Half-Wave Rectifier circuit.Consider Ideal diodes for the circuit shown in the following figure, If the value of the input voltage is Vin = 80 Vrms, and the load resistor is R = 20 Q then the value of the load average current of 10:1 tion Vin Oa. 360.1 mA Ob. 365.1 mA Oc. 355.1 mA Od. 350.1 mA eleeeOne component that does not need to be installed in the correct orientation is a: a. Resistorb. Diodec. Voltage regulatord.