The functions of the components are given as:

i. Ammeter: It is a measuring instrument used to measure the current in a circuit.

ii. Voltmeter: A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit

iii. Resistor: It is an electrical component that limits or regulates the flow of electrical current in an electronic circuit.

iv. Switch: A device for making and breaking the connection in an electric circuit.

v. Battery: A battery is an electrochemical cell that can be charged electrically to provide a static potential for power.