Which of the following device is made by semiconductor material and similar to 3 terminal vacuum tube ? a. SCR b. Static Induction Thyristor O c. GTO O d. Static Induction Transistor
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- 14. A thyristor that looks like two back-to-back 4 layer diodes is the a. SCR b. Triac c. SCS d. DIAC 15. A device that has an unstable negative resistance region is the a. UJT b. SCS c. TRIAC d. DIAC1) How is the diode and zener diode in the electronic circuit and how they work?indicate the differences between them.2) Can a zener diode be used instead of a regular diode? please explain.3) Is it to step down and rectify the 220V AC signal by means of a transformer or to convert 220 V?rectify it and then reduce its value to the desired DC level using a voltage divider circuit?suitable.?4) Bridge type full wave rectification with two diodes full wave rectification using a medium ended transformerCompare the rectifier circuit and list its advantages and disadvantages relative to each other.5) What is the concept of PIV (Peak Inverse Voltage) for rectifier circuits?For which rectifier circuits is this value more important?Q5. For the following center tapped transformer, show the waveform across each half of the secondary winding and across Ri, when a 100 V peak sine wave is applied to the primarywinding. What is the PIV rating must the diode have? (Use constant voltage drop model for the Silicon diode) IN4001 Ry OV 10k) D IN4001
- 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 zeroOne component that does not need to be installed in the correct orientation is a: a. Resistorb. Diodec. Voltage regulatord.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!
- In 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 D1.4.) In which mode will a diode generally not conduct electricity? a. Bidirectional Biased b. None of these c. Forward Biased d. Reversed Biased 5.) Consider the following schematic symbol of a semiconductor device: Which side is the Cathode? (Picture inserted down below) a. Side A b. Both side A and B c. Side B d. Neither side A or B 8.) Integrated circuits can be broken down into three basic categories. Which category does an operational amplifier (or op-amp) fall into? a. Analog b. None of these c. A combination of analog and digital d. DigitalTRUE OR FALSE A. Ohmic contacts allow the flow of current through either direction. B. A p-n junction can be made from differently-doped semiconductors of different base materials. C. Zener breakdown occurs at moderate reverse biases only.
- 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 timeBypass diodes are connected in parallel with a solar cell to prevent the discharge of current from the battery to cell during night event. True FalseDiscussion:- 1- How does a diode work as a voltage regulator? 2- What is a Zener breakdown? 3- What happens to the DC output voltage when the input varies within the limits? 4- Name three other applications of Zener diodes.