MOMINA FIRST PROJECT.pptx applied physics

electrical engineering project

1. APPLIED PHYSICS

2. ELCTRICAL (POWER) ENGINEERING PRESENTED BY FA18-EPE-07 AMINA ASLAM FA18-EPE-10 MOMINA MUNIR ABBASI FA18-EPE-35 HADIA KHALID FA18-EPE-39 AYESHA SIDDIQA YAQOOB FA18-EPE-43 HAFZA FA18-EPE-44 MEMOONA NAWAZ

3. Capacitor : Stores electric charges S tores electric energy Consist of: Two metal plates Insulating medium

4. USED IN : Mother Board of Computer system. Fans. Radios Generator etc.

5. Capacitor in series: Same charge appear on each capacitor Q 1 =Q 2 =Q 3 =Q total voltage is the sum of each voltage V=V 1 +V 2 +V 3 Capacitor in parallel: total charge is the sum of charges on all capacitors Q=Q 1 +Q 2 +Q 3 total capacitance is the sum of all the capacitances C=C 1 +C 2 +C 3

6. Working Principle Of Capacitor: When connected with battery, Charges begin to store on the plates of capacitor(Charging) After removing Battery, plates will hold positive and negative charges(Charged) When capacitor is connected with load, charges began to shift towards load(Discharging) In parallel plate capacitors, Capacitance depends upon: Separation between plates Area of plates Medium

7. Charging and discharging of a capacitor.

8. Apparatus : 1 Capacitor of 220µF 2 Resistors of 330 Ω 2 LED lights of 5mA Battery of 9V Breadboard Wires as switches

9. R 1 (330 )   R 2 (330 )   C (220 )   L 1 L 2 W 1 (wire 1) W 2 (wire 2) E (Battery 9 volt) Circuit Diagram:

10. procedure First we take breadboard Then we take two led ,two resistor and one capacitor Then we design a circuit such a way when we provide a battery to circuit both the led will glow When we provide battery to one led only blue will glow and show discharging Red led will turn off immediately

11. Working : In Complete circuit, When both wires are connected, Both LEDs will glow. When Only one wire is disconnected, Only corresponding LEDs will glow BLUE SHOW DISCHARGING RED SHOWS CHARGING When Battery is not connected: Left Circuit will become open. when W 2 is closed, Blue Led will be turned ON

12. Thanks for your attention