Examlex
Name the metric unit you would use to measure the quantity. The distance from San Francisco to Amsterdam.
Rectification
The process of converting alternating current (AC) to direct current (DC) using diodes or other rectifying devices.
Direct Current
Electrical current that flows only from zero to positive and does not alternate negative and positive as AC does; the type of current created by the use of a battery.
Alternating Current
The form in which electrical current is generated at power stations and transmitted along power lines to customers. Alternating current is created by causing electrons to flow in an alternating positive and negative manner.
AC Generator
A machine that converts mechanical energy into alternating current electrical energy.
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