Q:

What is one difference between direct current (DC) and alternating current (AC)?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:18| Question number:17

waelhammad

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2022-10-22

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What is one difference between direct current (DC) and alternating current (AC)?

DC can produce a fatal shock, whereas AC cannot.
AC can supply power to portable devices, but DC cannot.
AC can be transmitted over long distances more cheaply than but DC.
DC can be easily transformed to a different voltage, but AC cannot.

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waelhammad

2022-10-22

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C: (I may be picking a fi ght here) Transformers (which change voltage of electrical power) and circuit breakers are dramatically less expensive for AC than for DC.

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