Answer:
general regulatory and speed control.
Answer:
2.489 dB
Solution:
As per the question:
Power ratio, 
The Equivalent of this power ratio in decibel or dB is calculated by taking the log of the power ratio as below:


Thus the value of the power ration in decibel comes out to be 2.489 dB
Answer: a profession is a job, or what you do for a living
example : a teacher is an example of proffesion