Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

A motor has an armature resistance $4 \Omega$. It is operating on 220 V. At its full speed, it develops a back emf of 200 V. The current in the armature when the motor is switched on will be:

Options:

5 A

105 A

50 A

55 A

Correct Answer:

55 A

Explanation:

The correct answer is Option (4) → 55 A