Question:
$A n-p-n$ transistor conducts when
$A n-p-n$ transistor conducts when
Updated On: May 4, 2024
- both collector and emitter are positive with respect to the base
- collector is positive and emitter is negative with respect to the base
- collector is positive and emitter is at same potential as the base
- both collector and emitter are negative with respect to the base
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The Correct Option is B
Solution and Explanation
In active region emitter base $p - n$ junction is in $FB \& $ base collector $p - n$ junction is in $RB$.
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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.