Multiple choice

Which of the following statements about glass fiber are correct?

  1. Glass fibers are high density phone lines
  2. It is used for high density phone lines
  3. It is not affected by electromagnetic interference

  1. 1 and 2

  2. 1 and 3

  3. 2 and 3

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Glass fibers (fiber optics) are used for high-capacity communication lines because they can carry large amounts of data. They are also immune to electromagnetic interference because they transmit light rather than electricity.

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