A the stamen :)). haha yea smert
The ration of output work to input work expressed as a percentage is called <u>Efficiency</u>.
Centripetal force is defined as, "the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of rotation," while centrifugal force is defined as "the apparent force that is felt by an object moving in a curved path that acts outwardly away from the center of rotation," according to Merriam Webster Dictionary.
The answer is A. the moving charge induces a magnet field
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