engineering recuitment MP Vyapam Sub Engineer Mock Test 2024 Power Systems Transmission and Distribution
Which of the following is the correct comparison of copper and aluminium conductors for high voltage power transmission?
1
The specific gravity of copper is higher than that of aluminium.
2
The tensile strength of aluminium is higher than that of copper.
3
The conductivity of copper is less than that of aluminium.
4
Aluminum costs more than copper.