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Transistor: Working

What is an am...

Question

What is an amplifier? Draw the simple circuit of transistor amplifier in CE mode.

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Solution

An amplifier is an electronic device that increases the voltage, current, or power of a signal. Amplifiers are used in wireless communications and broadcasting, and in audio equipment of all kinds.
The circuit diagram is shown in the figure.
Where $I_{C}$ = Collector current
$V_{C E}$ = Collector voltage
$I_{B}$ = Base current

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