Question: Resistors in series and parallel. A switch has a variable resistance that is nearly zero when closed and extremely large when open, and it is

Resistors in series and parallel.

A switch has a variable resistance that is nearly zero when closed and extremely large when open, and it is placed in series with the device it controls. Explain the effect of the switch below on current when open and closed.

Resistors in series and parallel.A switch has a variable resistance that

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