Which mechanism causes signal degradation in long, unshielded twisted pair data cables located close to power transformers?

💡 Explanation

When an unshielded twisted pair cable is placed near a power transformer, electromagnetic induction occurs because of alternating magnetic fields produced by the transformer, inducing unwanted currents in the cable conductors leading to interference. Therefore, increased interference occurs, rather than attenuation, crosstalk, or dispersion effects which are driven by intrinsic cable properties/design.

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