Basic Electrical and Electronics Engineering: Unit III: Analog Electronics
Basic elements used in electronic circuits
Resistors, Capacitors and Inductors | Analog Electronics
Three basic elements used in electronic circuits are the resistor, capacitor, and inductor.
Unit - III
Chapter 3
ANALOG
ELECTRONICS
Resistor,
Inductor and Capacitor in Electronic Circuits- Semiconductor Materials: Silicon
&Germanium PN Junction Diodes, Zener Diode -Characteristics Applications -
Bipolar Junction Transistor-Biasing, JFET, SCR, MOSFET,IGBT - Types, I-V
Characteristics and Applications, Rectifier and Inverters
RESISTORS,
CAPACITORS AND INDUCTORS
Three
basic elements used in electronic circuits are the resistor, capacitor, and inductor.
Resistors
A
resistors represent a amount of resistance in the circuit. Resistance is a
measure the flow of electric current is opposed or resisted. It is defined by
ohm's law. Resistance = voltage/current
R
= V /I
Resistance is measured in ohms (Ω). The symbol of resistor is shown in fig.
Two
resistance are connected series as shown in fig. the equivalent resistance is R
= R1 + R2
Two
resistance are connected in parallel as shown in fig then equivalent resistance
is
R
= R1 R2/ R1+R2
capacitors
A
capacitor represents the amount of capacitance in a circuit. The capacitance is
the ability of a component to store an electrical charge.
The
capacitance is defined by the equation
c
= q/v
where
1
= is the charge in colombs.
v
= is the voltage
In
the DC circuit, a capacitor becomes an open circuit blocking any DC current
from passing the capacitor. AC current only pass through a capacitor. Capacitor
is measured in farads. The symbol of capacitor is two parallel lines as shown
in fig.
Inductors
An
inductors represents the amount of inductance in a circuit. The inductance is
the ability of a component to generate EMF due to a change in the flow of
current. In DC circuit, an inductor looks like a wire. It has no affect when
the current is constant. Inductance has an effect when the current is change in
an AC circuit. Inductance is measured in Henrys. The symbol of inductance is
shown in fig. The letter L is used in equation.
Basic Electrical and Electronics Engineering: Unit III: Analog Electronics : Tag: : Resistors, Capacitors and Inductors | Analog Electronics - Basic elements used in electronic circuits
Basic Electrical and Electronics Engineering: Unit III: Analog Electronics
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