A method to measure angular velocity is to use a proximity sensor that generates a pulse  when a metal item is within the sensor’s detection range. A wheel is attached to an engine’s crankshaft that has a total 65 teeth. Each tooth is within  the sensor’s detection range, however, each gap between the teeth is not within the  sensor’s detection range. The engine is running at some angular speed. Determine the  engine’s speed (in RPM) if a proximity sensor generates a frequency of 4,256 Hz

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A method to measure angular velocity is to use a proximity sensor that generates a pulse 
when a metal item is within the sensor’s detection range.
A wheel is attached to an engine’s crankshaft that has a total 65 teeth. Each tooth is within 
the sensor’s detection range, however, each gap between the teeth is not within the 
sensor’s detection range. The engine is running at some angular speed. Determine the 
engine’s speed (in RPM) if a proximity sensor generates a frequency of 4,256 Hz

 

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