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- What is CEMF?ELE422/ELE424 TUTORIAL: DIODE APPLICATIONS QUESTIONS: 1. Detemine V, and lo for the networks of Figure Q1a and Figure Q1b. RI 22 kn R2 2.2 kn 10 mA Figure Q1a RI +15V 3.3 kn Ip R: 21 kn R3 1kn Ge Ge Si Ra 18 kn -3 V Figure 81bA three-phase rectifier is supplied by a 173.2-V rms line-to-line 60-Hz source. The RL load is a 100 resistor in series with a 15-mH inductor. Determine THD taking Is1 = 1.35
- * Find the current through the diode in the circuit shown. Assume the diode to be ideal. 50 92 A R₁ V= 10 V = O 185 mA O 46 mA O 140 mA O 28 MA wwww 5023 R₂ B DQ2/ Looking at the directions of the four diodes .What is the current through 80 2 resistor in the circuit shown in figure. Assume the diodes to be of silicon and forward resistance of each diode is 1Q. D1 A D3 80 0 +20 V D4 A D2 O A. 225 mA О в. 227 mА О С. 229 mА О D. 230 mA 中 中AN Sesli oku 1-In the circuit designed to measure the effective value of the sinusoidal voltage at the input, diodes are considered ideal. M deflection is a measuring element with rotating coil. Rm32k İm-(10)^-4 A. A- Draw the waveform of the current flowing through M on a scale. Determine the resistance value of R1 so that the nominal voltage value of V-m is 100V. B-What should the tolerances of the resistors be so that the Vm class is at most 1.5? (resistors have the same tolerances) ult) R2 本 R3 20k 18k R4 k: k2 10k
- aph R₁ 100 ΚΩ R₂ www R₁ 1.0 kn body 1. Determine the necessary value of R2 in Figure 4 so that the circuit will oscillate. Neglect the forward resistance of the Zener diodes. (Hint: The total gain of the circuit must be 3 when the Zener diodes are conducting.) 2. Explain the purpose of R₁ in Figure 4. www. body bold 6.8 V 6.8 V R3 47 ΚΩ R₁ www 1.0 kn 0.015 μF Normal 0.015 µF No Spacing Styles He· A single-phase controlled rectifier bridge consists of one SCR and three diodes as shown in figure. The average output voltage and power delivered to battery for a firing angle of 45° are R = 52 D3 230V L= 8mH %3D 50 Hz D D2 E= 100V (a) 88.37 V, 1.837 kW (b) 191.88 V, 1.876 kW (c) 100 V, 3.525 kW (d) 88.37 V, 3.525 kWFAIRCHILD Discrete POWER & Signal Technologies SEMICONDUCTOR ru 1N4001 - 1N4007 Features • Low torward voltage drop. 10 a14 * High aurge eurrent cepablity. 0.160 4.06) DO 41 COLOR BAND DGNOTEs CAT-Cos 1.0 Ampere General Purpose Rectifiers Absolute Maximum Ratings T-26*Cuness atnerwioe rated Symbol Parameter Value Units Average Recttied Current 1.0 375" lead length a TA - 75°C Tsargei Peak Forward Surge Current 8.3 ms single halr-sine-wave Superimposed on rated load JEDEC method) 30 A Pa Total Device Dissipetion 2.5 20 Derste above 25°C Ra Tag Thermal Resistence, Junction to Amblent 5D Storage Temperature Range 55 to +175 -55 to +150 Operating Junetion Temperature PC "These rarings are imithg valuee above whien the serviceatity or any semiconductor device may te impaired. Electrical Characteristics T-20'Cunieas ofherwise roted Parameter Device Units 4001 4002 4003 4004 4005 4006 4007 Peak Repetitive Reverse Vellage Maximum RME votage DC Reverse Voltage Maximum Reverse Current @ rated VR…
- Apply each of diodeapproximations and determine:a. Current through D1b. Voltage across D2c. Voltage across R3 GIVEN: R1 = 2 kΩ, R2 = 1.2 kΩ, R3 = 6.8 kΩ E= 10 V D1: Si, rB = 2 Ω, rR = 220 kΩ D2: Si, rB = 5 Ω, rR = 560 kΩ DETERMING FIRST IF IT IS A FORWARD BIASED OR REVERSED BIASED THEN, SOLVE IN FIRST APPROXIMATION, SECOND APPROXIMATION AND THIRD APPROXIMATION SHOW THE CIRCUIT DIAGRAM IN EACH APPROXIMATIONuestion 10 A single phase half wave uncontrolled rectifier is supplied using 220 V,60 Hz supply with a pure resistive load of 100. Then, the rms load voltage is equal to 110 V 99.03 V 220 V 155.56 V A Click Submit to complete this assessment. week1.pptx a ...claw ins prt sc delete f12 f11 f10 fg 144 fs 40Find the current through the diode in the circuit shown. Assume the diode to be ideal. A 50 92 www R₁ V = 10 V O 185 mA O 46 mA O 140 mA O 28 MA 502 R₂ B D