what is the use of plug key in circuit
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Answered by
105
A plug key is an electrical component which acts like a switch. A small metallic key is provided which is inserted in a metallic base to switch on the circuit and if it is taken off from its base then the circuit get switched off.
Answered by
85
it used to complete the circuit if it is open then the current will not flow if it is closed then current will flow.Also it works as a switch for the circuit.
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