Differentiate FET and BJT.
[7 marks]Explain the function of LED with neat sketch.
[3 marks]Explain p and n semiconductor formation in detail.
[4 marks]List the two types of carriers and name the type of impurity that causes each to be a majority carrier.
[3 marks]With help of voltage doubler circuit, describe the action of voltage multipliers.
[4 marks]Draw and explain bridge rectifier circuit with capacitor filter.
[7 marks]Draw and explain series and shunt positive clipper with output waveforms.
[7 marks]Explain Transistor as a switch.
[3 marks]With the help of neat figure, explain the operation of a N-P-N transistor.
[4 marks]Determine the output waveform for the sinusoidal input of figure given below.
[7 marks]Draw V-Icharacteristics of Zener diode.
[3 marks]Drive the relation between dc alpha and dc beta for bipolar junction transistor.
[4 marks]Explain Darlington pair in detail. Also derive its current gain.
[7 marks]Draw and explain the input and output characteristics of common emitter configuration.
[3 marks]Explain the JFET application as analog switch.
[4 marks]Draw the basic construction of a p-channel JFET and explain its operation in detail. OR1
[7 marks]Compare E MOSFET with D MOSFET.
[3 marks]Write the advantages and disadvantages of negative feedback.
[4 marks]Explain Voltage Divider Bias biasing in detail.
[7 marks]What is the difference between a voltage amplifier and a power amplifier?
[3 marks]Draw Ebers-Moll model and π-model of a transistor.
[4 marks]Explain the working of a transformer coupled class Apower amplifier and show the efficiency of class Atransformer coupled amplifier is 50%.
[7 marks]Explain the difference between class Band class AB Operation.
[3 marks]Draw a schematic of class Bpush-pull amplifier and explain its operation.
[4 marks]Describe the characteristics of amplifiers, including classes of operation, types of coupling, and frequency ranges.
[7 marks]