Download Aptitude Crack
img not found img not found

Communication Systems

Q1: Signal to noise ratio of microphone is defined as the ratio of output when the sound pressure is __________ to the output in the absence of any sound signal.

A 0.5 Pa

B 0.2 Pa

C 0.1 Pa

D 0.01 Pa

ANS:C - 0.1 Pa

0.1 Pa (= 0.5 x 10-4 W/m2) is taken as standard sound pressure for defining S/N ratio of microphones.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.