Select the incorrect option.
iii) - Ammeter
The symbols in i) represents a voltmeter. The symbol in ii) represents a switch. The symbol in iii) represents a resistor and not an ammeter. The symbol in iv) represents a battery.
-A voltmeter is used to measure the potential difference in a circuit.
-A switch is a controlling device used in the electric circuit to control the flow of electric current.
-A resistor is an element which offers resistance to the electric circuit.
-An ammeter measures the amount of electric current flowing through the circuit it is connected.
-A battery is used as the power source in the circuit.