5. Electromagnetic Induction and Alternating

Sections

Navigate through the learning materials and practice exercises.

1. 1

   Electromagnetic Induction

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   Electromagnetic induction is the process where a changing magnetic field...

2. 1.1

   Faraday’s Laws Of Electromagnetic Induction

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   Faraday's Laws describe how electrical voltage is generated through changing...

3. 1.2

   Lenz’s Law

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   Lenz's Law states that the induced current flows in a direction that opposes...

4. 1.3

   Motional Emf

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   Motional EMF occurs when a conductor moves through a magnetic field,...

5. 1.4

   Eddy Currents

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   Eddy currents are circulating currents generated within conductors exposed...

6. 2

   Self And Mutual Induction

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   Self and mutual induction are key concepts in electromagnetism that describe...

7. 2.1

   Self-Induction (L)

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   Self-induction is the property of a coil that enables it to oppose changes...

8. 2.2

   Mutual Induction (M)

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   Mutual induction occurs when a change in current in one coil induces an...

9. 3

   Alternating Current (Ac)

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   Alternating current (AC) is an electric current that periodically reverses...

10. 3.1

    Definition

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    Alternating current (AC) is an electric current that periodically reverses...

11. 3.2

    Rms And Average Values

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    This section discusses the concepts of RMS (Root Mean Square) and average...

12. 4

    Ac Circuits

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    This section discusses the principles of alternating current (AC) circuits,...

13. 4.1

    Pure Resistive Circuit (R)

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    In a pure resistive circuit, voltage and current are in phase, and energy is...

14. 4.2

    Pure Inductive Circuit (L)

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    This section discusses the characteristics and behaviors of pure inductive...

15. 4.3

    Pure Capacitive Circuit (C)

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    A pure capacitive circuit features a current that leads the voltage,...

16. 5

    Lcr Series Circuit

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    The LCR series circuit combines inductance, capacitance, and resistance,...

17. 5.1

    Impedance (Z)

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    Impedance combines resistance and reactance in AC circuits, impacting...

18. 5.2

    Current

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    This section describes the behavior and characteristics of current in AC...

19. 5.3

    Phase Angle

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    Phase angle describes the relationship between the current and voltage in AC...

20. 5.4

    Resonance

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    Resonance occurs in an LCR circuit when the inductive reactance equals the...

21. 6

    Power In Ac Circuits

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    This section focuses on the calculation of power in AC circuits,...

22. 7

    Transformers

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    Transformers utilize the principle of mutual induction to alter voltages in...

23. 7.1

    Principle

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    This section discusses the principle of transformers based on mutual...

24. 7.2

    Types

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    This section discusses step-up and step-down transformers, elaborating on...

25. 7.3

    Energy Losses In Transformers

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    The section discusses various energy losses in transformers, including...