ZIMSEC O-Level Physics
13.2Force on a current-carrying conductor in a magnetic field
Force on a current-carrying conductor in a magnetic field in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic35 practice questions3 lessons
Overview
Form 4.
Learning objectives
What the syllabus expects you to be able to do.
- 13.2.1Describe an experiment to show that a current-carrying conductor in a magnetic field experiences a force.
- 13.2.2Describe the field patterns between parallel currents and relate them to the forces between the currents.
- 13.2.3Predict the direction of motion of a current-carrying conductor in a magnetic field (Fleming's left-hand rule).
- 13.2.4Describe applications of the magnetic effect of a current, such as the electric bell and the relay.
- 13.2.5Describe the operation of a d.c. motor.
Lessons
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The d.c. motor
25 min
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The force on a current-carrying conductor
30 min
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The magnetic effect of a current
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Force on a current-carrying conductor in a magnetic field into a strength.
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