1) 1.Why does electrical circuit need a voltage source? a) To store electrical energy for later use b) To provide electrical energy needed to power devices c) To make the wires longer d) To measure the current in the circuit 2) What is the load in an electrical circuit? a) A device that uses electrical energy to perform work b) A device that stores electricity c) A source of electricity d) A wire that connects the circuit 3) What is the main function of a switch in an electrical circuit? a) To provide electricity to the circuit b) To store electrical energy c) To convert electricity into light d) To open or close the circuit, controlling the flow of electricity 4) What happens if one component in a series circuit is disconnected or burns out? a) The rest of the components continue working b) Only the disconnected component stops working c) The entire circuit stops working d) The voltage increases automatically 5) Why can a parallel circuit still work even if one component fails? a) Because the current stops completely b) Because there are multiple paths for the current to flow c) Because the voltage disappears d) Because all components share the same current

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