How can we tell that we must include the effect of internal resistance when dete

Question

How can we tell that we must include the effect of internal resistance when determining the reactance XL for an inductor even at low frequencies? Choose the best answer. The coils in the inductor change their orientations with time, and therefore cause the current to slow down. The number of coils in the inductor should be adjusted so that the time it takes for the current to flow across can be shortened. The distance between each coil should be adjusted so that the electric fields that form do not interfere with each other. The coils in the inductor are capable of producing substantial heat.

Explanation / Answer

The number of coils in the inductor should be adjusted so that the time it takes for the current to flow across can be shortened.

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