1371Electrical EngineeringMedium
An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in dB?
A6 dB
B8 dB
C4 dB
D5 dB
Correct answer
B. 8 dB
Explanation
The correct answer is 8 dB.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
B. 8 dB
Explanation
The correct answer is 8 dB.
Correct answer
B. Lorentz method
Explanation
The correct answer is Lorentz method.
Correct answer
B. 2.4
Explanation
The correct answer is 2.4.
Correct answer
C. providing damper bars in the rotor pole faces
Explanation
The correct answer is providing damper bars in the rotor pole faces.
Correct answer
D. amount of current to be collected
Explanation
The correct answer is amount of current to be collected.
Correct answer
D. 135 μs
Explanation
The correct answer is 135 μs.
Correct answer
A. drastically reduced
Explanation
The correct answer is drastically reduced.
Correct answer
B. fault occurs on the bus itself
Explanation
The correct answer is fault occurs on the bus itself.
Correct answer
D. common collector
Explanation
The correct answer is common collector.
Correct answer
A. rotating amplifier
Explanation
The correct answer is rotating amplifier.