Physics Electromagnetic Induction Application of EMI (Motor, Dynamo, Transformer) Single Correct MCQ
Published on: September 12, 2026

Work of electric motor is

A
To convert ac into dc and
B
To convert dc into ac
C
Both
D
To convert ac into mechanical work

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Text Solution

Verified by Experts
The correct answer is:
D
The primary work of an electric motor is to convert electrical energy (typically AC) into mechanical energy.
Step 1: Understand that an electric motor operates by using electrical energy to produce rotational motion.
Step 2: Recognize that the process involves the interaction between magnetic fields and electric currents.
Step 3: Conclude that the motor's main function is to generate mechanical work, thus the correct option is D.

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