SR. NO.

Questions M L CO Year
1 Sketch the forward and reverse characteristics for a Silicon June/July
diode and explain it 6 L2 1 2024
2 Explain the working of a half wave rectifier with input and June/July
output waveform 8 L2 1 2024
3 June/July
What is filter? Mention the types of filter. 6 L1 1 2024
4 June/July
Write the various diode approximations. 8 L1 1 2024
5 With circuit diagram and waveform. Explain the working of June/July
RC π filter using bridge rectifier. 6 L2 1 2024
6 Explain the working of Zener diode as a voltage regulator June/July
with no load. 6 L2 1 2024
7 Explain forward and reverse characteristics of June/July
semiconductor diode. 8 L2 1 2023
8
Calculte forward and reverse resistance offered by a silicon
diode with Ir=100mA at VR=50V. Assume VF for silicon diode June/July
to be 0.75V and reverse current I R=100nA. 4 L3 1 2023
9
What is piecewise linear characteristics? With neat diagram
explain diode approximation of ideal diode and practical June/July
diode. 8 L2 1 2023
10 June/July
Describe the working of full wave bridge rectifier. 8 L2 1 2023
11 Explain zener diode as voltage regulator with no load and June/July
with load. 6 L2 1 2023
12 Illustrate RC π filter. June/July
6 L2 1 2023
13 Explain the forward and reverse charcteristics of PN Dec 23/Jan
junction diode (Silicon) 6 L2 1 24
14 With a neat circuit diagram and waveform, explain the Dec 23/Jan
working of bridge rectifier. 6 L1 1 24
15
A 9.1 V refernce source in to use a series connected zener
diode and a resistor of 1kΩ, connected to a 30V supply.
Calculate the circuit current when the supply voltage drops
to 27V . Assume IZT =20mA. Also find the power dissipated Dec 23/Jan
in the resistor. 8 L3 1 24
16
Write a note on diode approximation, also calculate in the
circuit when a silicon diode connected in series with a Dec 23/Jan
resistor of 4.7KΩ is driven by a 1.5V dc supply. 6 L1 1 24
17 With necessary waveform and circuit diagram , explain how Dec 23/Jan
a RC π-filter work. 6 L1 1 24
18 Explain how zener diode works as voltage regulator Dec 23/Jan
considering no-load and full-load condidtions. 8 L2 1 24
19 Considering a BJT common emitter circuit , explain how Dec 23/Jan
voltage amplification is obtained. 6 L1 2 24
20
With a neat circuit diagram , and charcteristics Dec 23/Jan
graph,explain common base configuration of PNP transistor. 8 L1 2 24
21 Explain the drain and transfer charcteristics of n-channel Dec 23/Jan
JFET. 6 L2 2 24
22 Explain how Q-point is obtained on a DC load line, Dec 23/Jan
considering a transistor base bias circuit. 6 L2 2 24
23 Explain common collector configuration of pnp transistor Dec 23/Jan
with neat circuit diagram and characteristics. 8 L2 2 24
24 With neat semiconductor model, explain how an Dec 23/Jan
enhancement type MOSFET works. 6 L1 2 24
25 Explain output characteristics of a transistor in common June/July
base configuration. 6 L2 2 2023
26 Describe the procedure for drawing dc load line on June/July
transistor CE output characteristics. 8 L2 2 2023
27
Calculate Ic and IE for a transistor that has αDC=0.98,
IB=100µA. Also determine the value of βDC for the June/July
transistor. 6 L3 2 2023
28 Explain common Emitter input characteristics. June/July
6 L2 2 2023
29 Explain how transistor can be used as current amplifier. June/July
6 L2 2 2023
30 Explain the working of N channel JFET June/July
8 L2 2 2023
31 Calculate Ic, IE & β for a transistor that has αDC=0.98, June/July
IB=100µA. 6 L3 2 2024
32 Draw the input and output characteristics of a common June/July
emitter of a transistor and explain it. 8 L2 2 2024
33 For the voltage divider bias circuit shown in fig.determine 6 L3 2 June/July
VB ,VE,IE and VCE.Assume VBE=0.7V 2024

34 Explain the operation of an n-channel JFET for various bias June/July

voltages 6 L2 2 2024
35 Mention the advantages of FET over BJT. June/July
6 L1 2 2024
36 Explain the construction of Enhancement MOSFET. June/July
8 L2 2 2024
37 Mention the ideal characteristics of Op-amp. June/July
10 L2 3 2024
38 Define the following parameters of Op-amp June/July
i) CMRR ii)Slew Rate iii) PSRR iV)Input Offset voltage 4 L1 3 2024
39 Derive the expression of voltage gain of non-inverting Op- June/July
amp. 6 L2 3 2024
40 How op-amp can be used as an integrator June/July
6 L2 3 2024
41 Draw the block diagram of typical op-amp and mention the June/July
function of each block. 6 L1 3 2024
42 For the circuit shown in figure find output voltage and 8 L3 3 June/July
voltage gain. 2024

43 Explain inverting and non-inverting amplifier. Dec 23/Jan

8 L2 3 24
44 Define op-amp . Mention any 5 ideal charcteristics of an op- Dec 23/Jan
amp. 6 L2 3 24
45 Draw a summer circuit with V1=+1V,
V2=+3V,V3=+2V,R1=R2=R3=2K Ohm. Determine the output
voltage when Rf=3k ohm. Dec 23/Jan
6 L3 3 24
46 Explain the working of op-amp as differentiator . Dec 23/Jan
8 L2 3 24
47 Define i) Input offset current ii) Input bias current iii) slew Dec 23/Jan
rate iv) CMRR 6 L2 3 24
48 With block diagram, explain basic structure of an op-amp. Dec 23/Jan
Also write its equivalent circuit diagram. 6 L2 3 24
49 Define the following with respect to op-amp
i) Input offset voltage ii) Input bias current
iii)CMRR iV) Slew Rate Dec 23/Jan
8 L2 3 24
50 Explain the open loop differential amplifier circuit using op-
amp. Mention the advantage of negative feedback in
amplifier circuit. Dec 23/Jan
6 L2 3 24
51 Derive output voltage equations for 3 input inverting Dec 23/Jan
summer using op-amp. 6 L3 3 24
52 Mention all the ideal op-amp characteristics. Dec 23/Jan
6 L1 3 24
53 Design a non-inverting amplifier circuit using op-amp, if the Dec 23/Jan
gain of the amplifier is 10 and input voltage is 1V. 6 L3 3 24
54 Explain the working of op-amp connected as indicator, also Dec 23/Jan
draw the output waveforms. 8 L2 3 24
55 Perform the following June/July
i)(532.65)8=( )16=( )2 ii)(ABCD)16=( )2=( )8 8 L3 4 2024
56 State and prove the De-morgan's theorem foe two June/July
variables. 8 L1 4 2024
57 Using basic boolean theorem prove that (x+y)(x+z)=x+yz June/July
4 L3 4 2024
58 Draw the logic circuit for the Boolean expression
𝐴 ̅𝐵𝐶 ̅+𝐴 ̅𝐵 ̅𝐶+𝐴 ̅𝐵 ̅𝐶 ̅
Y= June/July
4 L1 4 2024
59 Implement full adder using two half adder and OR gate. June/July
8 L3 4 2024

i)(𝐴 ̅+B)(A+𝐵 ̅) ii)𝐴 ̅𝐵𝐶 ̅+𝐴 ̅𝐵 ̅𝐶+𝐴 ̅𝐵 ̅𝐶 ̅
60 Simplify the following Boolean expressions June/July
8 L3 4 2024
61
Convert the following
i) (2AB.8)16=()10
ii)(416.12)16=()8
iii)(25.375)16=()2
iv)(16.2)8=()10