Which of the following losses is minimized...

Which of the following losses is minimized...

Question 1 of 27070

Q

Which of the following losses is minimized by laminating the core of a DC generator armature?

A

Winding copper loss

B

Eddy current loss

C

Magnetic hysteresis loss

D

IR drop loss

Question 1 / 270705eccefa3bacbc34ba4d47ecc

Question 1 of 270705eccefa3bacbc34ba4d47ecc

Which of the following losses is minimized by laminating the core of a DC generator armature?

Question 1 of 27070

Study area:

Study area:

Q

Which of the following losses is minimized by laminating the core of a DC generator armature?

If the question has a related picture, it will appear here.

🔍 Key Concepts

• Laminations in magnetic cores and what they do to circulating currents • Difference between eddy current loss and hysteresis loss in machines • Where copper (I²R) losses occur versus where core losses occur

💭 Think About

• Ask yourself: Does laminating the iron core affect currents flowing in the iron itself, or in the copper windings? • Which type of loss is caused by voltage induced in a solid iron core when the magnetic field changes? • Which core loss depends mainly on the material’s magnetic properties and number of magnetization cycles, not on whether the core is solid or laminated?

✅ Before You Answer

• Identify which losses occur in the copper windings and which occur in the iron core • Recall which loss is reduced by breaking the iron path into thin insulated sheets • Confirm whether lamination mainly reduces circulating currents in the core or resistance heating in the windings