he high-voltage power supply for a television’s picture tube has an open-circuit voltage of 18 kV and an internal resistance of 1.5 MΩ. (a) Find the voltage at the anode of the picture tube when the anode current is 800 μA. (b) What will the anode voltage be if the anode current is increased by 50%? (c) Find the short-circuit current of the power supply

he high-voltage power supply for a television’s picture tube has an open-circuit voltage of 18 kV and an internal resistance of 1.5 MΩ. (a) Find the voltage at the anode of the picture tube when the anode current is 800 μA. (b) What will the anode voltage be if the anode current is increased by 50%? (c) Find the short-circuit current of the power supply

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 3RQ: Diodes and rectifiers allow current to _________. flow in one direction only flow in both...

See similar textbooks

Similar questions

Which of the following is not a requirement for an electric circuit? a. a source b. a path c. a load d. a signal light
Diodes and rectifiers allow current to _________. flow in one direction only flow in both directions divide paths of flow none of the above
When resistors with higher wattage ratings are required, resistors are generally used to dissipate the excessive heat. a) Variable b) Fixed c) Wirewound d) Preset The diode is considered shorted when both anode and cathode has a) Low resistance b) High resistance c) Different resistance d) None of the above When two resistors are connected in parallel then their overall power rating is a) Increased b) Decreased c) Doubled d) Reduced
D. , D2 A R2 200 Q 100HZ C1 R1 R3 D4 D3 8 µF 2 kQ 3 kQ D Answer the following questions, since the minimum voltage value to transmit the zener diode in the figure given above is 9V and the power of this Zener diode is 0.3 watts. a) Enter the name of the circuit in the figure. b) What are the diodes/diodes in positive half-loop transmission?
Please fill the table below. Vp = 0.7V for both diodes. 1. State which diode is on. 2. Replace the diodes with their model 3. Determine Vo and I for the different input voltages (A and B) given in the table below. Show all your work. D1 Si A O B D1 D3 Vo Si 8 7 Vo D2 4 IIKO 3. AS
Please fill the table below. Vp = 0.7V for both diodes. 1. State which diode is on. 2. Replace the diodes with their model 3. Determine Vo and I for the different input voltages (A and B) given in the table below. Show all your work. D1 A. B DI D3 Vo Si 3 2 A O Si vo D2 4 IIKO 6 v
5 For the following circuit: a) Draw a table to mention the names, the states (ON/OFF) and turn on voltages for all the diodes of the circuit. (V = 3.5V for D3) and draw the equivalent circuit. b) Find the voltage across R1, R2, R3 c) Find the current through D1 , Dz , D3 and D4 D1 Si R2 D2 5002 Si R1 7502 R3 D3 D4 V1 1kn Blue GaAs 10v
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) Figure 1 shows two types of diodes arranged in a circuit. Determine the following parameters: i) Output voltage, Vo ii) Current at resistor R, I iii) Current at diode D1, Ipi iv) Current at diode D2, Ip2 1 kQ R Ipi D2 7 V D1 (Ge) D2 (Si) D3 (Ge) +
For the diode circuit of the figure below: 1. Determine v, and sketch its waveform for at least 4 cycles 2. Determine the average (dc) voltage established the load Show the details of your work. Without a complete solution (step-by-step solution) will invalidate your answer. 120 V 2.7 kN -120 V
For the circuit below with E = 10 V, R = 5800 N. Find the following: a) current in the circuit b) voltage across the diode c) voltage across the resistor Anode (A) Cathode (K) b E R wwww
The diode starts to conduct when the voltage across it is 0.6 V. Vin is a variable DC voltage source. R1 = 12.2 Ω and R2 = 6.7 Ω. At what value of Vin in volts will the diode start to conduct if Vin is increased from zero.