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Basic Electrical and Electronics Engineering formula key

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Formula key for Basic Electrical and Electronics Engineering It includes the following: parallel circuit, series circuit, ideal transformers, law of conservation of charge, law of conservation of energy, Ohm's law, fundamental theorem of network topology, Kirchoff's voltage law, nodal analysis, mesh current analysis, source transformation, Thevenin's theorem, Norton's theorem, sine wave, charge, current, voltage, power, work/energy, resistance, conductance, resistance and temperature, series resistance, voltage divider, parallel resistance, current division, delta-wye conversion, capacitance, inductance, sine wave function, phasor, impedance, AC circuits, true power, reactive power, apparent power

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Institution
University Of Mindanao
Course
Basic Electrical and Electronics Engineering

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Elementary charge = 1.602 x 10-19 C
1 C = 6.24 x 1018 electrons
1 cm3 Cu = 8.5 x 1022 free electrons

1 cm3 Cu = 8.5 x 1022 free electrons

vab = -vba
1 Wh = 3600 J
𝜋
1 circular mil = sq. mils
4
1 inch = 1000 mils

,Parallel circuit has uniform voltage
Series circuit has uniform current
Surface area C plates: ↑area, ↑ capacitance

Spacing bet. C plates: ↓ spacing, ↑ capacitance

Permittivity C material: ↑permittivity,↑capacitance

Short circuits: R→0; v = 0

Open circuits: R→∞; i = 0
A short circuit An open circuit

,Capacitors in series have equal charges
↓ capacitance, ↑ voltage
Changes in q does not affect values of C
v in capacitance can’t change instantaneously

i in inductance can’t change instantaneously
I acts as short circuit to its terminals with dc
C acts as open circuit to its terminals with dc

v across C = v across parallel R

, Energy stored in Cp is uniform
Charge is uniform in Cs
Voltage is uniform in Cp

Spacing bet. C plates: ↓ spacing, ↑ capacitance

Permittivity C material: ↑permittivity,↑capacitance

Short circuits: R→0; v = 0

Open circuits: R→∞; i = 0
A short circuit An open circuit
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Charles K. Alexander, Matthew N. O. Sadiku Fundamentals of Electric Circuits
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  • 9781259251320
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Institution
University Of Mindanao
Course
Basic Electrical and Electronics Engineering
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Uploaded on
January 5, 2022
Number of pages
44
Written in
2021/2022
Type
Class notes
Professor(s)
Engr. christopher gelicame
Contains
All classes

Subjects

  • formula key
  • basic electrical
  • circuits
  • basic electrical and electronics engineering
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