Refer to Table, showing typical ratings for an LED. Which of the given resistor values would be most suitable for a current limiting resistor, if the LED is to be driven from a /x=21 V supply?
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- Q2//Answer Any Two 1. State the applications of Clamper.2- What are the disadvantages of LED? 3- Why Si & Ge are not used in LED? Q3/ Write in brief on Avalanche diode. Q4/Does Clamper circuit change the peak-to-peak (l.e., rms value)? Justfy Q5/ State the applications of the photodiode.Figure shows a composite switch consisting of a power transistor (BJT) in series with a diode. Assuming that the transistor switch and the diode are ideal, the I-V characteristic of the composite switch isExcept for FinFET and GaaFET discussed in the lecture, there are many new designs of FET. Please do a detailed study on any of them. In less than 200 words, state the advantages of it over the traditional
- In 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 5/112. In the previous diagram for an LED circuit, the power supply is a 9V battery and we are using a Red LED whose voltage drop is 2V. The specification sheet for the LED recommends that the "ON" current should be 10 milliamps. a. What series resistor will give the specified LED current? 7737-1 C. b. What is the power dissipated by the resistor you selected in part a? A 70 2 What is the power dissipated in the LED?A resistor Ra is in series with a voltage source Va. Draw the circuit. Label the voltage across the combination as v and the current as i. Draw and label the volt–ampere characteristic (i versus v).
- Convert a dc voltage Q7)------ from one level and a certain polarity to a dc voltage of another level and in some applications to another polarity. Oa. DC-AC Converter Ob. AC-AC converter Oc. DC Chopper Od. AC-DC rectifierIn the circuit in the figure, an AC voltmeter will be made with full wave rectifier circuit structure. R = 50ohm and diodesResistance values in the direction of transmission are Rd = 100ohm. Inside of the DC ammeter to be used as indicatorthe resistance is very, very small. The AC mark to be measured is Vs = 100 Sinwt Volts.a- Draw the shape of the current passing through the DC Ammeter and calculate its maximum value.b- Find the average value of the current passing through the DC Ammeter.c- Analyze the voltage seen at the ends of diode D1 for both alternans.d- Find the Rms value of the voltage seen at the ends of the diode D1.Hi! Please help me answer this problem our topic here is about Diode in DC & AC Circuits. Please show your correct and complete solution. ASAP! THANK YOUUU!
- An AC voltage controller with common cathode has O a. two diodes to be conducted at a time b. one SRC to be controller at a time O c. two SRC to be controller at a time O d. four diodes to be conducted at a timeQ10. Determine maximum and minimum value of Zener current if value of series resistance is 1 K, load resistance is 2KN and input varies from 10V to 30V. Zener voltage is 5 V. Q11. What is LED? Q12. Which materials are used in manufacturing of LEDS?1) AC power in a load can be controlled by using a. Two SCR's in parallel opposition b. Two SCR's in series c. Three SCR's in series d. Four SCR's in series 2) The advantage of using free - wheeling diode in half controlled bridge converter is that a. There is always a path for the ac current independent of the ac line b. There is always a path for the dc current independent of the ac line c. There is always a path for the dc current dependent of the ac line d. There is always a path for the ac current dependent of the ac line 3) Silicon controlled rectifier can be turned on a. By applying a gate pulse and turned off only when current becomes zero b. And turned off by applying gate pulse c. By applying a gate pulse and turned off by removing the gate pulse d. By making current non zero and turned off by making current zero