what is difference between amplifier and transformer
Answer (1)
12th Apr, 2020
A transformer by itself can change the voltage of a signal but does not change the amount of power. For a given increase in voltage, there is an equivalent decrease in the current. The power remains constant. In fact due to resistive losses the amount of power is actually a bit less. An amplifier, on the other hand, can increase the power of a signal by using the input voltage to control a more powerful source.
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