Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

For maximum output power in D.C. motor, the induced back emf (E) should be

Options:

Applied voltage                                                     

 Double applied voltage

Half of applied voltage    

One third of applied voltage

Correct Answer:

Half of applied voltage    

Explanation:

For maximum output, E = V / 2