Physics, 20.07.2019 02:20 adamgala3885

Charlie writes the steps shown to describe the use of a transistor in a closed circuit with flowing current.
using a transistor to amplify a signal
1. current (i1) flows from the base to the emitter.
2. an input causes a small increase in voltage across the base and emitter.
3. i1 increases a small amount.
4. current (i2) flowing from the emitter to the collector changes a large amount.
which change corrects the error in his steps?
change the title to “using a transistor as a switch.”
change step 1 to say that no current flows in the transistor at the start.
reverse the sizes of the changes in current in steps 3 and 4.
reverse the direction of current in step 4.

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Charlie writes the steps shown to describe the use of a transistor in a closed circuit with flowing...