Red Seal Electrician Practice
Wiring and componentsQuestion 402 of 1506

A capacitor is used in a motor to shift the phasing. What can this give the motor?

  1. A higher synchronous speed on the shaft
  2. A lower voltage rating on the windings
  3. Reverse rotation of the motor shaft
  4. Greater starting torque or higher efficiency
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Correct answer: Greater starting torque or higher efficiency

Motor capacitors are used in start or run circuits.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 5.9: Capacitors

Practice wiring and components

Questions last reviewed: 18 October 2026