Electricity And Electronics System
PHY 201
Main components:
•Main board
•Voltmeter
•Ammeter
•Resistors
•Potentiometers
•Lamp holder
•Capacitors
•Coils
•Bridging plugs
•Push – button switch
•Toggle switch
•Lamp
•Ferromagnetic core
•Buzzer
•Motors
•Diodes
•PNP transistors
•NPN transistors
•Infrared LED diode
•Triac
•Phototransistor
•Zener diode
•Photo resistor
•PTC resistor
•NTC resistor
•Bridge rectier
•Microphone
•Audio amplier
•Loud speaker
•Relays
•Propellers
Laws and principles investigated
1.Voltage and current measurement
2.Ohm`s law
3.Kirchhoff`s law
4.Resistance and capacitance and inductance in circuits
5.Investigating the potentiometer
6.Charge and discharge of a capacitors in circuits
7.RC/RL/RLC circuits
8.Magnetic energy and mechanical force in circuits
9.Series and parallel circuits of C/R/L
10.Electro magnetism in circuits
11.Using a transformer
12.Using a relay
13.Electric energy transformation into mechanical energy
14.Investigating the electric motor
15.The principle of the dynamo and propellers
16.Mechanical energy transformation into electrical energy
17.Controlling the luminous intensity of lamp
18.Controlling the speed of electric motor
19.Characteristics of diode
20.Investigating transistors
21.Comparing PNP and NPN transistors
22.Characteristic of LED diode and infrared
23.Looking at photoresistors versus phototransistors
24.Looking Zener diodes in circuits
25.Temperature and the use of thermistors in circuits
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