A circular coil has 275 turns and a radius of 0.045 m.The coil is used as an ac generator by rotating it in a 0.500 T magnetic field, as shown in the figure.At what angular speed should the coil be rotated so that the maximum emf is 175 V? 
Definitions:
MTBF
Mean Time Between Failures; a reliability measure of the average time a product or system operates before failing.
Component Reliability
The probability that an individual part or component of a system performs its intended function under specified conditions for a designated period of time.
Preventive Maintenance
Regular and systematic inspection, cleaning, and replacement of worn parts, materials, and systems to prevent sudden failure and downtime.
Breakdown Maintenance
Maintenance work performed after a machine or system fails to restore it to operational condition.
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