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Electricity….?
The transition of electrons from one point to another.
Electricity
The transition of electrons from one point to another
Current
• An electric current is a flow of electrons moving through a
connector
Voltage.
Types of Electricity
• Static electricity results from an imbalance between
negative and positive charges in objects.
Types of Electricity
• Dynamic electricity is the flow of electric charges through
a conductor; in other words, an electric current.
•DC•AC
AC
• Period.
• Frequency.
• Amplitude(Vp).
• Vrms.
• Phase Angle.
Vrms.
Phase Angle.
Phase Angle.
Ohm’s law.
• The current in a circuit is directly
propotional to voltage and
inversely propotional to resistance.
Ohm’s law.
Battary
• Voltage…?
1.5V ,3.3v,9v,12v,24v,……
• Current…?
How To Choose Battery…?
Battary
Instruments
• Multimeters.
• Oscilloscope
• Function genrator
• BreadBoard
Digital Multimeter
Digital Multimeter
Digital Multimeter
• Voltage
Digital Multimeter
• Current.
Digital Multimeter
• Current.
Digital Multimeter
• Resistance.
Oscilloscope
BreadBoard
BreadBoard
Programs
Resistance
Resistance
Resistance
Resistance
Resistance color code.
Resistance color code.
Resistance
Resistance
Resistance standard values
Surface Mount Resistors.
Surface Mount Resistor Codes.
Surface Mount Resistor Codes.
E-Series Code
Network Resistor
Variable Resistor
Potentiometer
LDR
Varistor (VDR)
Varistor (VDR)
Thermistor
Thermistor
Resistor Connection
• Connection in series
Resistor Connection
• Connection in barrel
Resistor Connection
Voltage Divider
Kirchhoff's laws
Kirchhoff's laws
Capacitors
Capacitors
Capacitors
Capacitors
Capacitors in Dc circuits
Capacitors in Dc circuits
Capacitors in Dc circuits
Capacitors in Dc circuits
Capacitors in Dc circuits
Capacitors in Ac circuits
Capacitive Reactance
Capacitors in Ac circuits
Capacitive Reactance
RC Circuits
Impedance
Capacitors in Ac circuits
RC Circuits
Filtering Capacitors
Capacitors connection
• series • parrel
Capacitor Types
Capacitor Types
Capacitor Types
Capacitor Types
Electrolytic Capacitor
Ceramic Capacitor
Film Capacitor
Capacitor Types
Variable Capacitor
Capacitor Types
Capacitor Types
How to Read a Capacitor
How to Read a Capacitor
How to Read a Capacitor
How to Read a Capacitor
How to Test & Check a Capacitor
Inductors
Inductors
Inductance (L)
Henry (H)
Self Inductance of a Coil
•Where:
• L is in Henries
• N is the Number of Turns
• Φ is the Magnetic Flux Linkage
• Ι is in Amperes
Inductors
Inductors

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Introduction to electronics