In a semiconductor, current conduction is due to:
Both holes and electrons is correct per In a semiconductor, current conduction i principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
Semiconductor and Communication Systems 2
This category covers a range of topics related to semiconductor devices and communication system fundamentals. It includes questions on device physics, circuit applications, signal transmission, and system design, aimed at students preparing for engineering exams.
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A semiconductor is formed by:
Covalent bonds is correct per A semiconductor is formed by: principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
Directions For Questions Read the following statements with reference to electronic devices. (A) A transistor is used as
(B) and (D) is correct per Directions For Questions Read the follow principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
dentify the relationship between base current amplification (α) and emitter current amplification (β).
β = α / 1 - α is correct per dentify the relationship between base cu principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
What will the power gain of a transistor if it’s α value is 0.80 and the voltage gain is 95?
76 is correct per What will the power gain of a transistor principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
The current gain of a transistor in a common emitter configuration is 50. If the emitter current is 5.5 mA, find the bas
0.107 mA is correct per The current gain of a transistor in a co principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
On which of the following does base current not depend on?
Number of charge carriers is correct per On which of the following does base curr principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 15 Communication Systems
Which among the following is larger compared to the other regions of a transistor?
Collector is correct per Which among the following is larger comp principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
How many types of transistors are there?
2 is correct per How many types of transistors are there? principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
The communication system needed for a given signal depends on which of the following?
Band of frequencies is correct per The communication system needed for a gi principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 15 Communication Systems
Of the following which is the preferred modulation scheme for digital communication
Pulse code modulation is correct per Of the following which is the preferred principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 15 Communication Systems
What is the form factor for a full-wave rectifier?
1.11 is correct per What is the form factor for a full-wave principle; validated by standard physics law.
Ref: NCERT Physics Class 12 Chapter 14 Semiconductor Electronics
