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7 January, 09:05

When it is necessary to switch on an electrical current from a remote location, which devices could be used?

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  1. 7 January, 12:44
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    A classic example is a remote control. The mechanical force exerted by pressing the switches produces electric current (often times creating the electrical continuity of contacts when switch is pressed) within the remote control device allowing it to send radio signals to the receiver.
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