At a certain frequency, the output voltage of a filter is 6 V and the input is 1

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At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is

Options:

A . 6.02 dB

B . -6.02 dB

C . 12.04 dB

D . -12.04 dB

Answer: Option B

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