Optical fibers are the best medium of transmission over copper wires, becauseA. The loss of data in optical fibers is very-very highB. optical fiber is cheap and easy to constructC. The optical fibers are made of glass and they are automatically isolated from the currentD. The optical fibers can take few number of telephonic message at a time.

Optical fibers are the best medium of transmission over copper wires,

1.	Optical fibers are the best medium of transmission over copper wires, becauseA. The loss of data in optical fibers is very-very highB. optical fiber is cheap and easy to constructC. The optical fibers are made of glass and they are automatically isolated from the currentD. The optical fibers can take few number of telephonic message at a time.
Answer» Correct Answer - C

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