February 2025

Introduction:Generators and Motors

By |2025-02-12T09:43:00+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Hwange Power Plant. Image credit chronicle.co.zw Hwange Power Plant. Image credit chronicle.co.zw ZIMSEC O Level Combined Science Notes: Introduction:Motors and generators

  • Due to their nature batteries and cells produce a limited amount of electrical power
  • A lot of the electricity used in homes and industries comes from generators
  • Generators convert kinetic […]
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Electromagnetic Induction

By |2025-02-12T09:43:51+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

Inducing a current using a magnet. Image credit youtube.com Inducing a current using a magnet. Image credit youtube.com ZIMSEC O Level Combined Science Notes: Introduction:Motors and generators

  • Electromagnetic induction- is the production of a voltage across an wires (electrical conductor )due to its dynamic interaction with a magnetic field.
  • If a magnet […]
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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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