____________ losses are created by the oscillation of the magnetic field in respect to the core.

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Multiple Choice

____________ losses are created by the oscillation of the magnetic field in respect to the core.

Explanation:
When the magnetic field in a ferromagnetic core alternates, energy is dissipated as heat inside the iron. This happens mainly through two processes: hysteresis losses, due to the lag in the magnetization of the iron as the field cycles, and eddy current losses, from currents induced in the conductive core by changing flux. Together, these are known as iron losses (often referred to as core losses). This is why the correct term points to iron—the losses occur in the core material itself as the field oscillates. Copper losses would be from winding resistance, and load losses relate to other non-core effects, not the core’s magnetic interaction.

When the magnetic field in a ferromagnetic core alternates, energy is dissipated as heat inside the iron. This happens mainly through two processes: hysteresis losses, due to the lag in the magnetization of the iron as the field cycles, and eddy current losses, from currents induced in the conductive core by changing flux. Together, these are known as iron losses (often referred to as core losses). This is why the correct term points to iron—the losses occur in the core material itself as the field oscillates. Copper losses would be from winding resistance, and load losses relate to other non-core effects, not the core’s magnetic interaction.

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