Why Fiber Optics Cable is EMI Free ?

Why Fiber Optics Cable is EMI Free ?
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Answer :

Since fiber optics is made of insulating material, it is free from electromagnetic effects or EMI. The components of fiber optics are soda , boro silicate , soda lime silicate and soda alumina silicate which are insulating substances. Also the jacket used as the outer covering of fiber optics is plastic and plastic is also an insulating material. As a result, fiber optics is always EMI free
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