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22 July, 23:54

What happens when you open a switch?

A. an electric circuit is closed

B. the resistance in the wire is reduced

C. current cannot flow

D. there is a short circuit

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Answers (1)
  1. 23 July, 00:34
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    A. an electric circuit is closed

    When we open an electric switch, we close the circuit by completing its path. Current will only flow in a closed circuit. Thus when a switch opens, the component of circuit is pushed to become part of it such that the circuit becomes complete or closed, causing current to flow
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