NAME SYMBOLS FUNCTION Supplies the power to the circuit Closes and opens the flow of current through the circuit. Measures voltage across the battery terminals Measures the size of the electric current Indicates that electricity is flowing through the circuit Used to connect one part of the circuit to another, allowing electricity to flow through NAME SYMBOLS FUNCTION Supplies the power to the circuit Closes and opens the flow of current through the circuit. Measures voltage across the battery terminals Measures the size of the electric current Indicates that electricity is flowing through the circuit Used to connect one part of the circuit to another, allowing electricity to flow through