What We Will Cover in the Chapter

Last updated at July 13, 2026 by

We will learn how electric current makes a magnet, how it makes heat, and how cells and batteries make electricity.

Understanding the Name of the Chapter

Electricity
The flow of electric current through a wire or circuit.
Magnetic Effect
Electric current can make a wire act like a magnet.
Heating Effect
Electric current can make a wire become warm or hot.
  • We will see two big effects of electric current: magnetic and heating.
  • We will also learn how cells and batteries make electricity.

Topics We Will Study in This Chapter

Topics We Will Study
4.1 Does an Electric Current Have a Magnetic Effect?
4.1.1 Electromagnets 4.1.2 Lifting Electromagnets
4.2 Does a Current Carrying Wire Get Hot?
4.3 How Does a Battery Generate Electricity?
4.3.1 Voltaic Cell 4.3.2 Dry Cells 4.3.3 Rechargeable Batteries
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