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When the Volume Control on a Stereo System Is Increased

Question 51

Multiple Choice

When the volume control on a stereo system is increased, the voltage across a loudspeaker changes from V 1 to V 2 , and the decibel increase is given by When the volume control on a stereo system is increased, the voltage across a loudspeaker changes from V<sub> 1 </sub> to V<sub> 2 </sub>, and the decibel increase is given by Find the decibel increase if the voltage changes from 1.7 volts to 4 volts. A) db = 17.1 B) db = 6.3 C) db = 11.2 D) db = 7.4 E) db = 9.7 Find the decibel increase if the voltage changes from 1.7 volts to 4 volts.


A) db = 17.1
B) db = 6.3
C) db = 11.2
D) db = 7.4
E) db = 9.7

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