A two-times increase or decrease in power results in a change of how many dB? ... - HamTesting.com - Free Amateur Radio Practice Tests

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G5B01 : A two-times increase or decrease in power results in a change of how many dB?

- 2 dB

- 3 dB

- 6 dB

- 12 dB

Correct Answer : 3 dB

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