A particular tachometer displays engine RPMs from zero to 10,000. If the ADC accepts voltage levels from zero to five volts, in order to achieve full- scale representations from the tachometer, what should the output voltage be at 8500 RPM?
A) 5 volts
B) 4.8 volts
C) 3.2 volts
D) 4.25 volts

Question

Quizplus · Accepted Answer

To find the output voltage at 8500 RPM, we use the proportion: (8500 RPM / 10000 RPM) * 5 volts = 4.25 volts.

A Particular Tachometer Displays Engine RPMs from Zero to 10,000