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Basics of Bi Junction Transistor 01- Analog Electronics Video Lecture | Crash Course for IIT JAM Physics
FAQs on Basics of Bi Junction Transistor 01- Analog Electronics Video Lecture - Crash Course for IIT JAM Physics
| 1. What is a bi junction transistor? |  |
Ans. A bi junction transistor is a three-layer semiconductor device that can amplify or switch electronic signals and electrical power. It is composed of two pn junctions back to back, forming either a npn or pnp structure.
| 2. How does a bi junction transistor work? | |
Ans. A bi junction transistor works based on the principle of minority charge carrier injection. When a small current is applied to the base terminal, it allows a much larger current to flow between the emitter and collector terminals, amplifying the input signal.
| 3. What are the different biasing methods used in bi junction transistors? | |
Ans. The different biasing methods used in bi junction transistors are:
- Base Bias: A single resistor is connected between the base and collector to provide the required bias voltage.
- Collector Feedback Bias: A resistor is connected between the collector and base to provide a feedback path for stabilization.
- Emitter Bias: A resistor is connected between the emitter and ground to provide biasing.
| 4. What are the applications of bi junction transistors? | |
Ans. Bi junction transistors find applications in various electronic devices and systems, such as:
- Amplifiers: They are used to amplify weak signals in audio and radio frequency applications.
- Switching Circuits: They can be used as electronic switches to control the flow of current in digital circuits.
- Oscillators: They are used to generate continuous waveforms in radio and TV transmitters.
- Voltage Regulators: They can be used to regulate voltage levels in power supply circuits.
| 5. What are the advantages of bi junction transistors? | |
Ans. The advantages of bi junction transistors include:
- High Gain: They provide high current gain, making them suitable for amplification purposes.
- Small Size: They are compact in size, allowing for miniaturization of electronic devices.
- Fast Switching Speed: They can switch on and off rapidly, making them ideal for digital applications.
- Wide Temperature Range: They can operate in a wide temperature range, making them suitable for various environments.
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Nov 22, 2024 Last updated |
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