A switch is used to start the flow of current in an electrical circuit.
Electricity flows when a circuit is complete.
A switch is used to complete an electrical circuit.
What is a purpose of a switch in an electrical circuit?
Options:
[1] to reduce magnetic effects
[2] heat production
[3] to annihilate electrons
[4] preventing heat transfer
[5] direct energy
[6] to complete the circuit
[7] heat is produced
[8] to circumvent resistors