Introduction to Electricity - mm03080001

Notice to Student - mm03080002

Introduction - mm03080003

Lesson Objectives - mm03080004

Figure 1. The helium atom

Electricity

Ohm's Law

Circuits

Figure 4. Series-resistive circuit

Voltage

Figure 5. Parallel-resistive circuit.

Figure 6. Two unequal resistors connected in parallel

Figure 7. Series-parallel circuit

Figure 8. Sample series-parallel circuit.

Power Losses

Figure 10. Adjustable and variable resistors

Figure 11. Magnetic lines of force traced by iron filings

Figure 12. Like poles repel, unlike poles attract

Figure 14. Adding more loops increases the strength of the magnetic field.

Electromagnetic Induction

Electromagnetic Induction cont'd

Alternating Current

Principles of Operation

AC Circuit Components

Figure 19. Schematic symbols for inductors and transformers

Figure 20. Paper capacitors

Effect of Inductance

Figure 22. Schematic symbols for capacitors

Operation of Capacitor in AC Circuits

Figure 23. Voltage across a capacitor in an ac circuit.

Operation of Circuit Elements

Figure 24. Operation of circuit elements.

Impedance

Resonnance

Figure 25. Series-tuned circuit

Parrallel-Tuned Circuit

Lesson Exercises - mm03080037

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Lesson Exercises cont'd - mm03080039

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Lesson Solutions - mm03080044

Lesson Solutions cont'd - mm03080045