If the output power from an audio amplifier is measured at 100W when t – McqOptions

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1.	If the output power from an audio amplifier is measured at 100W when the signal frequency is 1kHz, and 1W when the signal frequency is 10kHz. Calculate the dB change in power?
A.	-10dB
B.	-20dB
C.	-30dB
D.	15dB
Answer» C. -30dB

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