PPT - Electrostatics Electrical Engineering (EE) Notes | EduRev

Electromagnetic Theory

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Electrical Engineering (EE) : PPT - Electrostatics Electrical Engineering (EE) Notes | EduRev

 Page 1


Electrostatics
2.0  New Notations
2.1  The  Electrostatic  Field
2.2  Divergence and Curl of Electrostatic Field
2.3  Electric  Potential
2.4  Work  and  Energy  in  Electrostatics
2.5  Conductors
Page 2


Electrostatics
2.0  New Notations
2.1  The  Electrostatic  Field
2.2  Divergence and Curl of Electrostatic Field
2.3  Electric  Potential
2.4  Work  and  Energy  in  Electrostatics
2.5  Conductors
New Notations
R
e
Page 3


Electrostatics
2.0  New Notations
2.1  The  Electrostatic  Field
2.2  Divergence and Curl of Electrostatic Field
2.3  Electric  Potential
2.4  Work  and  Energy  in  Electrostatics
2.5  Conductors
New Notations
R
e
The Electrostatic  Field
2.1.1 Introduction
2.1.2 Coulomb’s Law
2.1.3 The Electric Field
2.1.4 Continuous Charge Distribution
Page 4


Electrostatics
2.0  New Notations
2.1  The  Electrostatic  Field
2.2  Divergence and Curl of Electrostatic Field
2.3  Electric  Potential
2.4  Work  and  Energy  in  Electrostatics
2.5  Conductors
New Notations
R
e
The Electrostatic  Field
2.1.1 Introduction
2.1.2 Coulomb’s Law
2.1.3 The Electric Field
2.1.4 Continuous Charge Distribution
Introduction
The fundamental problem for electromagnetic to solve is to
calculate the interaction of charges in a given configuration.
That  is, what force do they exert on another charge Q ?
The simplest case is that the source  charges are stationary.
Principle of  Superposition:
The interaction between any two charges is completely unaffected
by the presence of other charges.
1 23
F F FF = + ++
v v vv
L
R
v
is the force on Q due to
i
q
i
F
v
Page 5


Electrostatics
2.0  New Notations
2.1  The  Electrostatic  Field
2.2  Divergence and Curl of Electrostatic Field
2.3  Electric  Potential
2.4  Work  and  Energy  in  Electrostatics
2.5  Conductors
New Notations
R
e
The Electrostatic  Field
2.1.1 Introduction
2.1.2 Coulomb’s Law
2.1.3 The Electric Field
2.1.4 Continuous Charge Distribution
Introduction
The fundamental problem for electromagnetic to solve is to
calculate the interaction of charges in a given configuration.
That  is, what force do they exert on another charge Q ?
The simplest case is that the source  charges are stationary.
Principle of  Superposition:
The interaction between any two charges is completely unaffected
by the presence of other charges.
1 23
F F FF = + ++
v v vv
L
R
v
is the force on Q due to
i
q
i
F
v
Coulomb’s  Law
the permittivity of free space
The force on a charge Q due to a single point charge q is given
by Coulomb`s law
2
0
2
12
0
2
1
ˆ ˆ
4
8.85 10
Qq
qQ
F R R r r RR
R
c
Nm
pe
e
-
= = -=
=´
×
vv
vv
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