gk 2010 - 44

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1. Consider the following advantages of the Optic Fibers and the Copper wires :
1. Optic Fibers are NOT susceptible to the electrical interference
2. Optic Fibers can be used to transmit more signals that Copper Wires
3. Optic Fibers can carry a signal over a single fiber, unlike the electricity which requires a pair of Copper wires.
Which among the above stand correct ?

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