Which of the following single-phase motors is suitable for timing and control purposes ?

Answer: Option A

Reluctance motor is suitable for timing and control purposes.

Reluctance motors are known for their precise control and high efficiency at synchronous speeds.

They have a simple construction with a rotor that does not have any windings or permanent magnets, which makes them reliable and easy to maintain.

The precise timing and control capabilities of reluctance motors make them ideal for applications such as clocks, timers, and other control devices.

Their ability to maintain a constant speed under varying loads further enhances their suitability for timing and control applications.