Electronic Devices PYQs - Last 10 Years
WB JEE / Physics / Modern Physics / 23 recent questions
PhysicsModern Physics2017-2026
Practice 23 WB JEE Physics questions from Electronic Devices. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
23
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Physics / Modern Physics
2017-2026
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13
Last 5 Years
2022-2026
23
Last 10 Years
2017-2026
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23PYQs
MCQ91.3%
MCQM8.7%
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#1 Unknown23
13 in last 5 years23 in last 10 years
Last 10 Years Electronic Devices Questions
Showing 23 of 23 filtered questions.
1Electronic Devices
The circuit has two oppositely connected ideal diodes in parallel as shown in the figure．What is the current flowing in the circuit？
MCQM+2 / -0.52026
2Electronic Devices
The I-V characteristics graph shown below is exhibited by
MCQ+1 / -0.252026
3Electronic Devices
The inputs to a digital circuit are as shown below. The output Y is
MCQ+1 / -0.252026
4Electronic Devices
For Boolean variables $A$ and $B, A \oplus B=A \bar{B}+\bar{A} B$ ．Then，which of the following statements is / are correct？
MCQM+2 / -02026
5Electronic Devices
Which logic gate is represented by the following combinations of logic gates?
MCQ+1 / -0.252025
6Electronic Devices
Manufacturers supply a zener diode with zener voltage $\mathrm{V}_{\mathrm{z}}=5.6 \mathrm{~V}$ and maximum power dissipation $P_{\mathrm{z}, \max }=\frac{1}{4} \mathrm{~W}$. This zener diode is used in the following circuit. Calculate the ...
MCQ+1 / -0.252025
7Electronic Devices
A diode is connected in parallel with a resistance as shown in Figure. The most probable current (I) - voltage (V) characteristic is
MCQ+1 / -0.252025
8Electronic Devices
A \(2 \mathrm{~V}\) cell is connected across the points \(\mathrm{A}\) and \(\mathrm{B}\) as shown in the figure. Assume that the resistance of each diode is zero in forward bias and infinity in reverse bias. The current supplied by the cel...
MCQ+1 / -0.252024
9Electronic Devices
In the given network of AND and OR gates, output Q can be written as (assuming n even)
MCQ+2 / -0.52024
10Electronic Devices
Consider the logic circuit with inputs A, B, C and output Y. How many combinations of A, B and C gives the output Y = 0 ?
MCQ+1 / -0.252023
11Electronic Devices
In the given circuit, find the voltage drop \(\mathrm{V_L}\) in the load resistance \(\mathrm{R_L}\).
MCQ+1 / -0.252023
12Electronic Devices
The expression \(\overline A (A + B) + (B + AA)(A + \overline B )\) simplifies to
MCQ+1 / -0.252022
13Electronic Devices
A Zener diode having break down voltage Vz = 6V is used in a voltage regulator circuit as shown in the figure. The minimum current required to pass through the Zener to act as a voltage regulator is 10 mA and maximum allowed current through...
MCQ+1 / -0.252022
14Electronic Devices
For the given logic circuit, the output Y for inputs (A = 0, B = 1) and (A = 0, B = 0) respectively are
MCQ+1 / -0.252021
15Electronic Devices
What is the value of current through the diode in the circuit given?
MCQ+1 / -0.252021
16Electronic Devices
A common emitter transistor amplifier is connected with a load resistance of 6 k\(\Omega\)
. When a small AC signal of 15 mV is added to the base-emitter voltage, the alternating base current is 20\(\mu\)A and the alternating collector cu...
. When a small AC signal of 15 mV is added to the base-emitter voltage, the alternating base current is 20\(\mu\)A and the alternating collector cu...
MCQ+1 / -0.252020
17Electronic Devices
In the circuit shown, the value of \(\beta\) of the transistor is 48. If the supplied base current is 200 \(\mu\)A, what is the voltage at the terminal Y?
MCQ+1 / -0.252020
18Electronic Devices
In the circuit shown, what will be the current through the 6V zener?
MCQ+1 / -0.252019
19Electronic Devices
Each of the two inputs A and B can assume values either 0 or 1. Then which of the following will be equal to \(\overline {A\,}\) . \(\overline {B\,}\)?
MCQ+1 / -0.252019
20Electronic Devices
In the circuit shown, inputs A and B are in states 1 and 0 respectively. What is the only possible stable state of the outputs X and Y?
MCQ+1 / -0.252018
21Electronic Devices
What will be the current flowing through the 6k\(\Omega\) resistor in the circuit shown, where the breakdown voltage of the Zener is 6V?
MCQ+1 / -0.252018
22Electronic Devices
When a semiconducting device is connected in series with a battery and a resistance, a current is found to flow in the circuit. If however, the polarity of the battery is reversed, practically no current flows in the circuit. The device may...
MCQ+1 / -0.252017
23Electronic Devices
In the given circuit, the binary inputs at A and B are both 1 in one case and both 0 in the next case. The respective outputs at Y in these two cases will be
MCQ+1 / -0.252017