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When the Volume Control on a Stereo System Is Increased

Question 70

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 1.8 volts to 4.1 volts. A) db = 10.2 B) db = 5.3 C) db = 14.8 D) db = 8.7 E) db = 6.4 Find the decibel increase if the voltage changes from 1.8 volts to 4.1 volts.


A) db = 10.2
B) db = 5.3
C) db = 14.8
D) db = 8.7
E) db = 6.4

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