Electronics an Introduction

1. Electronics
Mohamed Abd El-Ghaffar

2. Components:
Mohamed Abd El-Ghaffar

3. Capacitors :
Mohamed Abd El-Ghaffar
A capacitor is a device that stores electrical energy in an electric field.
It is a passive electronic component

4. Capacitors :
Mohamed Abd El-Ghaffar
▪ Effect of a capacitor is known as capacitance.

5. Capacitors :
Mohamed Abd El-Ghaffar
▪ Dc circuit :

6. Capacitors :
Mohamed Abd El-Ghaffar
▪ Dc circuit :
τ = RC

7. Capacitors :
Mohamed Abd El-Ghaffar
▪ Ac circuit :

8. Capacitors :
Mohamed Abd El-Ghaffar
▪ Ceramic
▪ Film
▪ Electrolytic
▪ Super
▪ Vacuum
▪ Air gap
▪ Glass
▪ Mica ….

9. Capacitors :
Mohamed Abd El-Ghaffar

10. Capacitors :
Mohamed Abd El-Ghaffar
▪ Energy storing
▪ Smoothing
▪ Ac coupling/dc blocking
▪ Decoupling
▪ High-pass filters
▪ low-pass filters

11. Capacitors :
Mohamed Abd El-Ghaffar

12. Capacitors :
Mohamed Abd El-Ghaffar

13. Capacitors :
Mohamed Abd El-Ghaffar

14. Capacitors :
Mohamed Abd El-Ghaffar

15. Capacitors :
Mohamed Abd El-Ghaffar

16. Capacitors :
Mohamed Abd El-Ghaffar

17. Inductor :
Mohamed Abd El-Ghaffar
An inductor, also called a coil or reactor, is a passive two-terminal electrical
component that stores energy in a magnetic field when electric current flows through it.

18. Inductor :
Mohamed Abd El-Ghaffar

19. Inductor :
Mohamed Abd El-Ghaffar

20. Inductor :
Mohamed Abd El-Ghaffar
▪ Ac circuit :

21. Inductor :
Mohamed Abd El-Ghaffar

22. Inductor :
Mohamed Abd El-Ghaffar

23. Inductor :
Mohamed Abd El-Ghaffar
▪ Ac circuit :

24. Inductor :
Mohamed Abd El-Ghaffar
▪ Ac circuit :

25. Inductor :
Mohamed Abd El-Ghaffar
▪ Applications: