Match the columns accordingly:
Answer variants:
rsamurti-RSA-IEC-Resistor-Symbol.png
shutterstock_592433066-w173.png
Voltmeter_symbol.png
shutterstock_167307620_new.jpg
136910945444f0b389176b.jpg
 
Column A
Column B
1Measures electric current
2. Measures the potential difference
3. Single unit device
4. Can be fixed or variable