February 2025

Electric motors

By |2025-02-12T09:00:36+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

A simple motor. Image credit youtube.com A simple motor. Image credit youtube.com ZIMSEC O Level Combined Science Notes: Electric motors

  • An electric motor converts electrical energy into kinetic energy
  • This is caused by the interaction of the electrical field of the coil and
  • The magnetic field of the magnets in the […]
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Experiment: Demonstrating that an electric wire moves in a magnetic field

By |2025-02-12T09:01:21+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Demonstrating the motor effect. Image credit ideas-inspire.com Demonstrating the motor effect. Image credit ideas-inspire.com ZIMSEC O Level Combined Science Notes: Experiment: Demonstrating that an electric wire moves in a magnetic field

Aim:  To demostrate how a current carrying wire moves in a magnetic field

Materials: a length of flexible wire, small pieces of cardboard […]

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Fleming’s Left hand rule

By |2025-02-12T09:04:40+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Fleming's right hand rule Fleming’s right hand rule ZIMSEC O Level Combined Science Notes: Fleming’s Left hand rule

  • The direction in which a coil turns in influenced by the following factors:
  • the direction in which the current is flowing
  • the magnetic field
  • The direction of movement of a current carrying wire […]
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