Which of the following metal is an indispensable in the electrical industry? |
Copper Iron Aluminium All of these. |
Copper |
The correct answer is Option 1: Copper NCERT: Copper is an indispensable metal in the electrical industry for making wires, electric motors, transformers and generators. It is alloyable, malleable and ductile. It is also mixed with gold to provide strength to jewellery. |