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How do transistors amplify the current?

Submitted by Maddy on
Analog Electronics

I am using transistors in some circuit and wondering what are properties which make transistors to amplify the current.

V

Vj

  Joined May 20, 2016      3

Friday at 08:16 AM

Transistor does not actually amplify the magnitude of current. When a small voltage is applied to the Base of NPN transistor, it "allows" the Larger amount of current to be passed, through the Collector to the Emitter. 

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junaid shahid

  Joined November 23, 2016      12

Wednesday at 06:16 PM

Hi,

Dear there are many types of transistors which are used for the amplify purpose. i.e NPN or PNP etc.

Each have different methodology to operate and execute the operation.

Thanks.

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