ProjectProjectinin

PhysicsPhysics

Lorena CaneteLorena Canete

Glaiza Joy LucenoGlaiza Joy Luceno

Kirk MarananKirk Maranan

Moses JonsonMoses Jonson

Ralph Alson ManaloRalph Alson Manalo……………………………………………………

……

ElectronicsElectronics is the branch of science, engineering is the branch of science, engineering and technology dealing with electrical circuits and technology dealing with electrical circuits that involve active electrical components such that involve active electrical components such as vacuum tubes, transistors, diodes and as vacuum tubes, transistors, diodes and integrated circuits, and associated passive integrated circuits, and associated passive interconnection technologiesinterconnection technologies. .

Electronic devices and componentsElectronic devices and components

CapacitorCapacitor

is a is a passivepassive two-terminaltwo-terminal electrical componentelectrical component used used to store to store energyenergy in an in an electric fieldelectric field. .

ResistorResistor

is a is a passivepassive two-terminaltwo-terminal electrical componentelectrical component that that implements implements electrical resistanceelectrical resistance as a as a circuit element.circuit element.

DiodeDiode is a type of two-is a type of two-terminalterminal

electronic componentelectronic component with with nonlinearnonlinear resistance and resistance and conductance, conductance, distinguishing it from distinguishing it from components such as two-components such as two-terminal linear resistors terminal linear resistors which obey Ohm's law. which obey Ohm's law.

TransistorTransistor is a semiconductor device is a semiconductor device

used to amplify and used to amplify and switch electronic signals switch electronic signals and power.and power.

Types of CircuitsTypes of Circuits Analog CircuitsAnalog Circuits use a continuous range of use a continuous range of

voltage as opposed to discrete voltage as opposed to discrete levels as in digital circuitslevels as in digital circuits. .

Digital CircuitsDigital Circuits are electric circuits based on a are electric circuits based on a

number of discrete voltage number of discrete voltage levels.levels.

Classification of ResistorClassification of Resistor Fixed ResistorFixed Resistor

a)a) carbon composition carbon composition resistorresistor

b)b) metal-film resistor metal-film resistor

c)c) wire-wound resistor wire-wound resistor

Variable Variable ResistorResistor

a)a) PotentiometerPotentiometer varies its resistance varies its resistance

valuevalue due to variations in due to variations in

voltagevoltage..

b)b) RheostatRheostat varies its resistancevaries its resistance due to variations indue to variations in current.current.

Other Special Nonlinear Other Special Nonlinear Types of ResistorTypes of Resistor

ThermistorThermistor

VaristorVaristor

PhotoresistorPhotoresistor

Conductance (G)Conductance (G)The opposite of resistance, is a The opposite of resistance, is a

measure of how the material allows measure of how the material allows current to flow through a conductor.current to flow through a conductor.

The unit is The unit is mhomho G = 1/RG = 1/R

Example of CapacitorExample of Capacitor Fixed CapacitorFixed Capacitor possesses a value of possesses a value of

capacitance which cannot be capacitance which cannot be adjusted.adjusted.

Variable CapacitorVariable Capacitor possesses a capacitance that possesses a capacitance that

can be varied.can be varied.

Parallel-plate CapacitorParallel-plate Capacitor most common type of most common type of

capacitor, consists of two capacitor, consists of two parallel metal plates near parallel metal plates near each othereach other without touching.without touching.

CapacitanceCapacitance Measured in coulomb per volt (C/V).Measured in coulomb per volt (C/V). Unit is called Unit is called FaradFarad,, named afternamed after Michael Michael

Faraday.Faraday.

Q=CVQ=CV

C=Q/VC=Q/V

THE END….THE END….

Thanks for watching!Thanks for watching!