FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our comprehensive quiz. This resource offers multiple-choice questions designed to enhance your knowledge and understanding of aviation maintenance concepts.

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The iron cores of most induction coils are laminated to

  1. Increase the weight

  2. Make them easier to install

  3. Reduce the effects of eddy currents

  4. Improve the aesthetic appeal

The correct answer is: Reduce the effects of eddy currents

The iron cores of most induction coils are laminated to reduce the effects of eddy currents. Eddy currents are circular electric currents that can be induced in the iron core when it is exposed to a changing magnetic field. By laminating the core, it is divided into thin layers which effectively reduces the circular path for these eddy currents to flow, therefore minimizing their effects. This helps to improve the efficiency and performance of the induction coil. Options A, B, and D are incorrect because increasing the weight, making installation easier, and improving aesthetic appeal are not the primary reasons for laminating the iron cores of induction coils in the context of aviation maintenance.

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