The Zener regulator circuit in Figure Q1 has the following values: R₁ = 0.22 kn, Zener voltage, V₂ = 8 V and the maximum power rating of the Zener diode is 400 mW. In order to maintain this regulator circuit with load voltage, V₁ at 8 V and not exceed the maximum power rating of the Zener diode; determine the: (a) minimum input voltage, Vimin (b) maximum input voltage, Vi max

The Zener regulator circuit in Figure Q1 has the following values: R₁ = 0.22 kn, Zener voltage, V₂ = 8 V and the maximum power rating of the Zener diode is 400 mW. In order to maintain this regulator circuit with load voltage, V₁ at 8 V and not exceed the maximum power rating of the Zener diode; determine the: (a) minimum input voltage, Vimin (b) maximum input voltage, Vi max

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

See similar textbooks

Similar questions

For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature setting of ___________ F (_____________ C). Some states have laws stating a maximum temperature setting of ____________ F (________________ C).
How is a solid-state diode tested? Explain.
In a Zener regulated DC power supply, the input to the regulator varies between 15 V and 19 V. The magnitude of the series resistor in the regulator circuit is 40 Ω, and the load draws a constant current of 100 mA at 9 V. Use the ideal Zener diode model. The Zener diode specifications are given as : VZ(N) = 9 V, IZ(min) = 25 mA, and IZ(max) = 200 mA. 1) What is the minimum current that will flow through the zener diode? 2) What is the maximum power that will be dissipated by the zenere diode? 3) What is the maximum power dissipated by the series resistor?
2b) A regulator curcuit needs to be designed with an input power supply which has a nominal value of V_PS=20 V and can vary by ± %25 and nominal output voltage of 10 volts. For this purpose a zener diode is employed with specifications given; power rating of 1 W, 10V drop at Iz=25 mA, output load current is to vary between I(subscript L)=0-20 mA and zener resistance of r_Z=5Ω i) If the minimum Zener current is to be I_Z=5 mA, determine the required R_S ii) Determine the maximum variation in output voltage iii) Determine the regulation percent
Q1: In this Zener diode regulator, the source voltage varies from 6 V to 14 V. Assume that the load current varies between 1 mA and 35 mA, and that the diode is an ideal 4 V Zener diode. What is the largest allowable resistance that will ensure the load voltage remains constant with variations in load current and source voltage? Please enter your answer to 3 significant figures. Q2: Given the circuit design for a Zener diode regulator in the Ques 1, what is the maximum power that will be dissipated by the Rs resistor? You are told that the source voltage Vs varies from 6 V to 11 V, the load current il varies between 2 mA and 45 mA, and the diode is an ideal 3 V Zener diode. You will need to recalculate the maximum allowable resistance Rs with your new values, as part of this question. Please enter your answer to 3 significant figures, and in Watts.
Zener voltage, VZ = 6.1V and incremental resistance, rz = 0 a) Determine the value of Ri such that the Zener diode remains in breakdown if the load current varies from IL = 20 to 200 mA and if the input voltage varies from VI = 8.6 to 10V. Assume IZ(min) = 0.1IZ(max). b) Determine the power rating required for the Zener diode and the load resistor. c) If the position of Zener diode were changed to be in forward bias region, will the voltage regulator still work properly? Justify your answer
A Zener diode is connected in a voltage regulator circuit as shown in figure.2. The Zener voltage at Iz = 0 is 15V and Zener incremental resistance 0.2Ω. (a) Determine the value of Ri such that Zener diode remains in breakdown if the load current IL varies from 50 to 500 mA and if the input voltage VI varies from 20 to 30 V. Assume Izmin =0.2Izmax
A Zener diode is connected in a voltage regulator circuit as shown in figure.2. The Zener voltage at Iz = 0 is 15V and Zener incremental resistance 0.2Ω. (a) Determine the value of Ri such that Zener diode remains in breakdown if the load current IL varies from 50 to 500 mA and if the input voltage VI varies from 20 to 30 V. Assume Izmin =0.2Izmax(b)Determine the power rating of each element in a circuit.
E.) The voltage on Figure Q1 is connected across a 0.15 2 resistive load. Calculate the power dissipated in this resistor. F.) Sketch the circuit for an ac supply input to a full-wave diode rectifier with a resistive load and no smoothing capacitor. G.) For the circuit in Question (F) calculate the average and rms voltages across the resistive load for an rms ac supply voltage of 115 V assuming no diode voltage drop.
DiodesFill in the blanks with the words belowcheck valve, conductance, convert, crystalline, impurities, infinite, galena, p–n junction, rectifying,resistance, selenium, semiconductor, switching circuits, tailored, temperature, threshold, two-terminal,unidirectionalA diode is a 1 ………………… electronic component that conducts current primarily in one direction(asymmetric 2 ………………..); it has low (ideally zero) 3 ……………… in one direction, and high (ideally4 ………………..) resistance in the other. A 5 ………….. diode, the most common type today, is a 6……….. piece of semiconductor material with a 7 ………………. connected to two electrical terminals. Avacuum tube diode has two electrodes, a plate (anode) and a heated cathode. Semiconductor diodes were thefirst semiconductor electronic devices. The discovery of crystals' 8 ……………… abilities was made byGerman physicist Ferdinand Braun in 1874. The first semiconductor diodes, developed around 1906, weremade of mineral crystals such as 9 ……………….. . Today,…
Calculate the total current of a circuit with a 9.5 V voltage source connected in series with a directly biased silicon diode and a series resistor of 440 Ω. Consider the second approximation of the diode where it is considered to be connected to a battery in series. Units of the response in milli amperes. Note: I put the original exercise in Spanish, so that it is better understood. Explain step by step, please.
A 60-Hz full-wave rectiﬁer is built with a transformer having an rms secondary voltage of 20 V and ﬁlter capacitance C =150,000 μF. What is the largest current that can be supplied by the rectiﬁer circuit if the ripple must be less than 0.3 V?