Concept:Eddy currents are reduced by interrupting their conducting paths in the metal.
Explanation:Eddy currents are unwanted circulating currents induced in solid metal parts.
These currents produce heat and energy loss.
Making holes or slots in metal plates breaks the continuous conducting loops.
This increases the effective resistance to the eddy current paths.
Therefore, eddy currents are greatly reduced.
A high-resistance or low-resistance coil does not directly affect eddy currents in the core.
Winding the coil on a soft iron core actually increases the magnetic effect and eddy currents.
Answer:C. creating holes in the metal plates