Practicing Success
Which of the following metals is a good conductor of electricity and conducts electricity twice as much as the other elements? |
Fe Cu Hg Al |
Al |
The correct answer is option 4. Al. Aluminum is a corrosion-resistant, lightweight metal with high electrical conductivity. It has double the electrical conductivity of copper. It is used to wind the rotating coil of dynamos or motors and to make transmission cables. |