If the power gain of an amplifier is said to be 3:1, what is the dB gain?

A) 30 dB B) 3 log 10dB C) 4.8 dB D) 10 log 3 dB


C

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The power source for a power-limited fire alarm system cannot output voltages greater than ________

A. 150V B. 300V C. 600V D. 1000V

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In HTML, all special codes contained inside angled brackets <> are ____.

A. commands B. constants C. tags D. variables

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What does WiMAX use to encrypt data after a device is authenticated?

A. TEK B. digital certificate C. hashing algorithm D. CRC

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In a 2-ton capillary tube system, the unit does not develop full capacity. Head pressure is low and suction pressure is low. What is the problem?

What will be an ideal response?

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