The following truth table corresponds to the logic gate
- $ NAND $
- $ OR $
- $ AND $
- $ XOR $
The Correct Option is B
Solution and Explanation
Top Questions on Semiconductor electronics: materials, devices and simple circuits
The graph shows the variation of current with voltage for a p-n junction diode. Estimate the dynamic resistance of the diode at \( V = -0.6 \) V.
- CBSE CLASS XII - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
- A p-n junction is forward biased. Describe the movement of the charge carriers which produce current in it.
- CBSE CLASS XII - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
- The threshold voltage of a silicon diode is 0.7 V. It is operated at this point by connecting the diode in series with a battery of \( V \) volt and a resistor of 1000 \( \Omega \). Find the value of \( V \) when the current drawn is 15 mA.
- CBSE CLASS XII - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
Assertion : In a semiconductor diode, the thickness of the depletion layer is not fixed.
Reason (R): Thickness of depletion layer in a semiconductor device depends upon many factors such as biasing of the semiconductor.
- CBSE CLASS XII - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
- When the resistance measured between p and n ends of a p-n junction diode is high, it can act as a/an:
- CBSE CLASS XII - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
Questions Asked in UPSEE exam
Acetic acid dissociates 1.3%. What will be the pH of \(\frac {N}{10}\) solution of the acid.
- UPSEE - 2019
- Acids and Bases
Let z = x + iy be a complex number satisfying the following equation |z - (2 + i)| = |Re(z) - 4 | Which of the following options describes the above equation?
- UPSEE - 2019
- Complex Numbers and Quadratic Equations
- Let x be an $n \times 1$ matrix. Let O and I be the zero, and identity matrices of order n, respectively. Define $P = - \frac{xx^T}{x^Tx}$ is the transpose of x. Then which of the following options is always CORRECT?
- UPSEE - 2019
- Transpose of a Matrix
- Let z = x + iy be a complex number. The equation arg $\left( \frac{z + 1}{z}\right) = \frac{\pi}{4}$ represents
- UPSEE - 2019
- Complex Numbers and Quadratic Equations
- Let $a_1, a_2, a_3$, ... be an arithmetic progression with nonzero common difference. It is given that $\sum^{12}_{i = 4} a_i = 63$ and $a_k = 7 $ for some k . Then the value of k is
- UPSEE - 2019
- Arithmetic Progression
Concepts Used:
Semiconductors
Semiconductors are a crystalline solid materials, whose electrical conductivity lies between a conductor and an insulator. Semiconductors are mainly used in the manufacturing of electronic devices like capacitors, transistors, diodes, Integrated circuits, etc.
Properties of Semiconductor:
- Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
- Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
- Lesser power losses.
Uses of Semiconductor:
- Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
- Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.