4. Electromagnetic Induction and Alternating

Sections

Navigate through the learning materials and practice exercises.

1. 1

   Electromagnetic Induction

   Learn Practice

   This section focuses on electromagnetic induction, covering Faraday's laws,...

2. 1.1

   Faraday’s Laws Of Electromagnetic Induction

   Learn Practice

   Faraday's Laws describe how a changing magnetic flux induces electromotive...

3. 1.2

   Lenz’s Law

   Learn Practice

   Lenz's Law states that the direction of induced current opposes the change...

4. 1.3

   Eddy Currents

   Learn Practice

   Eddy currents are loops of electrical current that are induced within bulk...

5. 1.4

   Inductance

   Learn Practice

   Inductance is the property of a coil to oppose changes in current,...

6. 1.5

   Energy Stored In An Inductor

   Learn Practice

   This section discusses the energy stored in an inductor, emphasizing the...

7. 2

   Alternating Current (Ac)

   Learn Practice

   This section introduces alternating current (AC), highlighting its periodic...

8. 2.1

   Alternating Current And Voltage

   Learn Practice

   This section introduces alternating current (AC) and voltage, characterized...

9. 2.2

   Terms Related To Ac

   Learn Practice

   This section defines key terms related to alternating current (AC),...

10. 3

    Ac In Circuit Elements

    Learn Practice

    This section discusses the behavior of alternating current (AC) in different...

11. 3.1

    Pure Resistor In Ac

    Learn Practice

    This section explores the behavior of pure resistors in alternating current...

12. 3.2

    Pure Inductor In Ac

    Learn Practice

    This section discusses the behavior of a pure inductor in an alternating...

13. 3.3

    Pure Capacitor In Ac

    Learn Practice

    This section discusses the behavior of a pure capacitor in an alternating...

14. 4

    Lcr Series Circuit

    Learn Practice

    An LCR series circuit contains a resistor, inductor, and capacitor in...

15. 4.1

    Impedance (Z)

    Learn Practice

    Impedance (Z) in an LCR circuit is the total opposition to the flow of...

16. 4.2

    Phase Angle (Φ)

    Learn Practice

    The phase angle (ϕ) in an LCR series circuit describes how far the current...

17. 4.3

    Resonance In Lcr Circuit

    Learn Practice

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

18. 5

    Power In Ac Circuits

    Learn Practice

    This section discusses the concepts of instantaneous and average power in AC...

19. 5.1

    Instantaneous Power

    Learn Practice

    This section discusses instantaneous power in AC circuits, focusing on its...

20. 5.2

    Average Power

    Learn Practice

    Average power in AC circuits is defined by the product of the root mean...

21. 6

    Transformers And Ac Generator

    Learn Practice

    This section introduces transformers and AC generators, focusing on their...

22. 6.1

    Transformer

    Learn Practice

    The section on Transformers explains how these devices convert AC voltage...

23. 6.2

    Ac Generator (Alternator)

    Learn Practice

    This section discusses the AC generator, which converts mechanical energy...