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Basics of electrical engineering

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This pdf is all about the basics of electrical engineering

Institution
Course

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, 3

g




CURRENT
twin
- measured in ie is
flow
AMPERES
How much
in How much
current
SoI unit of

E
. It is the movement
of charges Simply i >
- rate





electrons
The unit
of charge
it Colomb- > & Colomb = 6 . 2x1018 proton
>
In to
charges From
for
-



order to
place external
more
one another we need some

ie EM F (Electro-motive-Foc) > External Force motion
of
. .
- which causes is
L VoITAGE




minia
or Cause




=lomb
- Current
Ampere of =
1

1 1
.




PotentialDifference ↓ tr
They
are not
moving
.




Volt is S.I unit

Basically E M F
of E M F
.
. . .
.




as in dia 11 it is shown that these electros are not moving because the
x es
level
of Conductor is same as we give eme to them
they will

start moving
Example- 1 pipe




↓ti
When Combine
E we


Case 1 & 2 both

the water in
pipe moves

same is case with EMF
.


if they
the
are in same

wait
I Jlist
position water move.

like the water motor it taires


water from down & ups it

Here motol is Emp of flor
High to tower we don't need

motor there is
potential energy
at height which Here acts as




ates as eme which
Emf .




Simply current
Push .
Tries to move or Es or

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Uploaded on
September 11, 2025
Number of pages
7
Written in
2025/2026
Type
Class notes
Professor(s)
Mehnaz
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