Semiconductor Electronics: Materials, Devices And Simple Circuits is an important topic in the Physics section in WBJEE exam. Practising this topic will increase your score overall and make your conceptual grip on WBJEE exam stronger.
This article gives you a full set of WBJEE PYQs for Semiconductor Electronics: Materials, Devices And Simple Circuits with explanations for effective preparation. Practice of WBJEE Physics PYQs including Semiconductor Electronics: Materials, Devices And Simple Circuits questions regularly will improve accuracy, speed, and confidence in the WBJEE 2026 exam.
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WBJEE PYQs for Semiconductor Electronics: Materials, Devices And Simple Circuits with Solutions
1.
In a common emitter configuration, a transistor has $\beta = 50$ and input resistance $1\, k\Omega$. If the peak value of a.c. input is $0.01\, V$ then the peak value of collector current is- $0.01\, \mu A$
- $0.25\, \mu A$
- $100\, \mu A$
- $500\, \mu A$
2.
The decimal number equivalent to a binary number 1011001 is- 13
- 17
- 89
- 178
3.
What will be the current flowing through the $6 \,K \Omega$ resistor in the circuit shown, where the breakdown voltage of the zener is $6\, V$ ?- $\frac{3}{2} m A $
- $1 \,mA$
- $10 \,mA$
- $\frac{3}{2} mA $
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