Calculate the gain of an amplifier if 1 watt is applied to the imput and 2 watts is measured at the output:

Calculate the gain of an amplifier if 1 watt is applied to the imput and 2 watts is measured at the output:

A.
0.5 dB

B.
1 dB

C.
2 dB

D.
3 dB

E.
4 dB