Chapter 2 Revision – Magnetic Effects of Electric Current

This revision covers Chapter 2 and includes a comprehensive review of the following lessons:

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  Lesson 1: Magnetic Flux & Magnetic Field of a Straight Wire
  
  Revision of magnetic flux, magnetic field concepts, and the magnetic field produced around a straight current-carrying wire.

  
  


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  Lesson 2: Circular Coil & Solenoid
  
  Understanding the magnetic field of a circular coil and solenoid, and factors affecting field strength.

  
  


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  Lesson 3: Force on a Current-Carrying Wire, Mutual Force & Torque
  
  Reviewing magnetic force on a wire, interaction between parallel currents, and torque acting on a current loop.

  
  


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  Lesson 4: Measuring Instruments
  
  Revision of electrical measuring instruments, their principles of operation, and practical applications.

  
  

This revision focuses on key concepts, laws, diagrams, and problem-solving techniques to strengthen understanding and prepare students for exams.