CBSE 10 Science | 12. Magnetic Effects of Electric Current by Pavan | Learn Smarter
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12. Magnetic Effects of Electric Current

The chapter explores the relationship between electricity and magnetism, particularly focusing on the magnetic effects of electric currents. It explains how electric currents produce magnetic fields, the behavior of compass needles in magnetic fields, and introduces concepts such as electromagnetism and safety measures in domestic electric circuits. Key principles like the right-hand rule and Fleming’s left-hand rule for determining field directions and forces on conductors are also discussed.

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Sections

  • 12

    Magnetic Effects Of Electric Current

    This section explores how electric currents create magnetic fields and the fundamentals of electromagnetism.

    Learning Practice

  • 12.1

    Magnetic Field And Field Lines

    This section discusses the relationship between electric current and magnetic fields, highlighting the principles and experiments that illustrate this connection.

    Learning Practice

  • 12.1.1

    Activity 12.2

    This section describes an experiment using a bar magnet and iron filings to demonstrate the concept of magnetic fields and their visual representation.

    Learning Practice

  • 12.2.1

    Magnetic Field Due To A Current Through A Straight Conductor

    This section explores the relationship between electric current and the magnetic fields generated by straight conductors.

    Learning Practice

  • 12.2.2

    Right-Hand Thumb Rule

    The Right-Hand Thumb Rule helps in determining the direction of the magnetic field created by a current-carrying conductor.

    Learning Practice

  • 12.2.3

    Magnetic Field Due To A Current Through A Circular Loop

    This section explores the significance of magnetic fields produced by current-carrying circular loops, explaining the direction and pattern of magnetic field lines.

    Learning Practice

  • 12.3.1

    Fleming's Left-Hand Rule

    Fleming's Left-Hand Rule illustrates the relationship between electric current, magnetic field, and motion in electrical devices such as motors.

    Learning Practice

  • 12.2.4

    Magnetic Field Due To A Current In A Solenoid

    This section discusses the magnetic field produced by a current-carrying solenoid, its similarities to a bar magnet, and its applications.

    Learning Practice

  • 12.3

    Force On A Current-Carrying Conductor In A Magnetic Field

    This section explores the relationship between electric current, magnetic fields, and the forces exerted on current-carrying conductors within those fields.

    Learning Practice

  • 12.4

    Domestic Electric Circuits

    This section explains the principles and components of domestic electric circuits, including safety measures and circuit functionality.

    Learning Practice

  • 12.4.1

    Wiring And Components

    This section covers the basic electrical wiring components found in homes, including live wires, neutral wires, earth wires, circuits, and fuses.

    Learning Practice

  • 12.4.2

    Electric Fuse

    Electric fuses protect domestic circuits by preventing damage caused by excessive current through melting when overloaded.

    Learning Practice

  • 12.5

    What You Have Learnt

    This section summarizes the fundamental concepts of the magnetic effects of electric currents and highlights the relationships between electricity and magnetism.

    Learning Practice

  • 12.6

    Exercises

    The exercises section covers activities that reinforce the principles of electromagnetism and the behavior of magnetic fields produced by electric currents.

    Learning Practice

  • 12.6.1

    Activity 12.1

    This section explores the relationship between electric current and magnetism through interactive activities, emphasizing the magnetic effects of an electric current.

    Learning Practice

  • 12.6.2

    Hans Christian Oersted (1777–1851)

    Hans Christian Oersted discovered the relationship between electricity and magnetism when he saw a compass needle deflect while current flowed through a wire.

    Learning Practice

References

NCERT Study Material

Class Notes

Memorization

What we have learnt

  • A compass needle is a small...
  • A magnetic field exists in ...
  • Electric currents in conduc...

Final Test

Revision Tests