Which of the
following materials is NOT employed for transmission lines?
Steel core copper
Copper weld
materials
Carbon core
tantalum
Galvanized
iron
Carbon core
tantalum
Carbon core
tantalum employed for transmission lines.
Material used
in transmission line :
1. Steel core
copper
2. Copper
weld materials
3. Galvanized
iron
Hence, the
correct option is (C).
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