EE1111 Lab Manual-Diploma - Lab 2

Give a brief introduction about the topic of generation and measurement of direct current voltage...(if possible for 2 pg or 1 pg) high voltage engineering subject..

(i) With neat sketch explain the cross sectional view and I-V characteristics of the device which is having     uncontrolled turn ON and turn OFF  withstanding capability.      (ii) Write FOUR application of the above mentioned power semiconductor device.

A step-up chopper has input voltage of 220 V and output voltage of 660 V. If the conducting time of the IGBT based chopper is 100 micro- sec, then duty cycle will be a. -0.66 b. 0.7 c. 1.66 d. 0.66

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This Multiple choice questions from electronics lab course &just write for me final answer ,It easy for you.

Explain the concept of "silicon wafer fabrication" and the steps involved in producing microchips.

TRUE 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.

1) Explain the Voltmeter PMMC instrument and the Ammeter PMMC instrument in AC?2) What are the benefits of using an Auto Transformer instrument in AC?

Discuss the importance of voltage regulation in power systems.

Fill the blanks with suitable following terms (AND gate, Potential Transformers (PT), cathode ray oscilloscope CRO, electronic switch Current Transformers (CT), DC component, cathode ray tube (CRT), AC component, electron.gun. 1.The heart of a ............is the................. the electron beam is generated, accelerated, and deflected in accordance with the input signal. 2. Power measurements in high-voltage high current circuit can be effectively done by the use of...and.. ...in conjunction with conventional wattmeter. 3. The sig ...ose frequency is to be measured is converted into a train of pulses (Using Comparator for example), one pulse for each cycle of the signal and applied continuously to an...A 4. In Average Responding Voltmeter, the AC signal is first applied to the blocking capacitor used at the input to block any..................in the input voltage. 5. Dual Trace Oscilloscope This CRO has a single.....................whose electron beam is split into two by an…

Explain the characteristics of LDR? What is the use of Multimeter in the experiment?

Assume that an input signal is applied to the circuit given above, as shown in the figure next to it. Accordingly, answer the following questions. The diodes used are silicon diodes, their operating voltages are 0.7 volts, and can be omitted because their resistance is very small. a) Write the name of this circuit, thinking about which circuit we do in the courses is equivalent to the purpose. b) What are the diodes/diodes that are active in a positive half-loop? Please type. c) What are the diodes/diodes active in the negative half-loop? Please type. d) Calculate ? ?−???( ?? ) for this circuit.

I need a diagram of a circuit by the transform and rectification block, using the bridge rectifier circuit (KBJ1008). It can be a source of any value. You don't need to do any calculations, just a drawing of how this circuit will look, please.

How are integrated circuits and microchips related, and what are some common applications for microchips?

write the specification of circuit breaker.

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A R-load half-wave rectifier used sinusoidal voltage source with a peak value (35.353kV). The firing angle is (30). The total resistance is 50k2 and frequency is 50HZ. Calculate (in details): load direct voltage, maximum direct voltage, normalized voltage and effective voltage, power delivered to the load, power factor, form factor, ripple factor?

Describe the purpose of a PV and PQ curves. Draw the curves and explain its position (stability & unstable areas) Describe the difference between each curve by reference to the curves and explain when each one would be used

Explain the concept of power semiconductor devices such as Insulated Gate Bipolar Transistors (IGBTs) and Thyristors. How do these devices enable efficient power control and switching in high-power applications?

Discuss the concept of microchip fabrication and the various techniques used in creating integrated circuits on a microchip.

Explain the principle work of (PMMC)

Draw the schematic diagram and explain the temperature - resistance characteristics of the RTD.