Combined Repulsion and Induction Principle

Correct Answer

B — Combination of repulsion and induction principles

Explanation

The motor develops high starting torque by the repulsion principle and, as it approaches running condition, operates with induction-motor action. Its operation therefore combines repulsion and induction principles.

Key Concept

Combined Repulsion and Induction Principle

Exam Point

Name tells the principle: repulsion-induction uses both.