WAEC Physics 2021 Objective — Question 2
Question 2 of 50 from the West African Examinations Council (WAEC) Physics 2021 Objective paper, with the correct answer and a full explanation.
Advertisement
2. The reason for laminating the soft iron core of a transformer is to
- A. reduce eddy currentCorrect
- B. reduce the magnetic flux
- C. increase the magnetic flux
- D. reduce its efficiency
Explanation
Laminating the core breaks up the paths for induced (eddy) currents, reducing energy loss due to eddy currents.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.