Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

Case: Read the below passage and answer accordingly

Electromagnetic induction is defined as the production of an electromotive force across an electric conductor in a changing magnetic field. The discovery of induction was done by Michael Faraday in the year 1831. Electromagnetic induction finds many applications such as in electrical components which include transformers, inductors, and other devices such as electric motors and generators.

The armature of a DC generator is laminated to;
Options:
Increase the speed
Reduce the heat
Insulate the coil
Reduce eddy current
Correct Answer:
Reduce eddy current
Explanation:
The armature of DC generator is laminated to Reduce eddy current loss.