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Motor Questions and Answers (Q&A)

T. Moore, Writer
Answered: Aug 30, 2019
Both A.C and D.C. motors have similar functions. Both of them work by converting electric energy into mechanical energy. However, A.C. and D.C. motor are powered and controlled differently. A.C....Read More

2 Answers

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Chris Kenway, Content Writer
Answered: Aug 13, 2019
USM and IS are two different things, but they are both used in camera lenses. USM is the acronym for Ultrasonic Motor. USM works by moving the lens element inside a camera so as to appropriately...Read More

1 Answer

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