Question

Current Gain The base current in a transistor circuit measures $55 \mu \mathrm{A}$ and the collector current measures $6.6 \mathrm{mA} .$ What is the current gain from base to collector?

   Current Gain The base current in a transistor circuit measures $55 \mu \mathrm{A}$ and the collector current measures $6.6 \mathrm{mA} .$ What is the current gain from base to collector?

Physics Principle and Problems

Physics Principle and Problems

Paul W. Zitzewitz,… 1st Edition

Chapter 29, Problem 31

Instant Answer

Solved by Expert Vinnu M

06/06/2020

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6 mA$. We need to find the current gain from base to collector. The current gain is given by the ratio of the collector current to the base current. Show more…

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Current Gain The base current in a transistor circuit measures $55 \mu \mathrm{A}$ and the collector current measures $6.6 \mathrm{mA} .$ What is the current gain from base to collector?

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Key Concepts

Transistor

A transistor is a semiconductor device used to amplify or switch electronic signals. It typically has three terminals – the base, collector, and emitter – and operates by using a small current at one terminal (base) to control a larger current flowing between the collector and emitter.

Current Gain

Current gain in a transistor refers to the ratio of the output current (usually the collector current) to the input current (the base current). This ratio, often represented by beta (?), indicates how effectively the transistor amplifies the input signal.

Beta (?)

Beta is the parameter used to quantify the current gain in a transistor. It is defined as the collector current divided by the base current and provides a measure of the amplification ability of the transistor, illustrating how a small base current can produce a larger collector current.

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