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In
electric, a switch is an electrical component that can break
an electrical circuit, interrupting the current or diverting
it from one conductor to another. The most familiar form of
switch is a manually operated electromechanical device with
one or more sets of electrical contacts. Each
set of contacts can be in one of two states : either closed
meaning the contacts are touching and electricity can flow
between them, or open, meaning the contacts are separated
and nonconducting. |
