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ELEC1103 (18)

# Class Notes for ELEC1103 at University of Sydney

Fundamentals of Elec and Electronic Eng

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##### ELEC1103 Lecture 20: Lecture 20

Trig identities Essential Identities sin( + ) = sin cos + cos sin cos( + ) = cos cos sin sin sin( ) = sin() cos( ) = cos() Some Derived Identities sin( ) = sin cos cos sin cos( ) = cos cos + sin sin sin cos = s...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 18: Phasor, Root Mean Square

Steady-State Sinusoidal Analysis - Without a time element to a signal, we can analyse sinusoidal signals with complex numbers, using the magnitude and phase of the signal. - A sinusoid is a signal that...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 17: Rc Circuit, Electric Flux, Rl Circuit

Maxwells Equations Maxwells equations completely describe electromagnetic interactions They are analogous to newtons laws of motion The electric flux through a closed surface is proportional to the total charge enclosed...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 15: Electric Field, Inductor, Short Circuit

- In DC, inductors are a short circuit since a magnetic field is only generated by a changingelectric field. + - I0= i(0 ) = i(0 ) Power through an inductor - p = Li didt ...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 13: Inductor, Short Circuit

V is the voltage between the two components This only comes from the voltage of the battery if the capacitor is fully charged. Otherwise dQ dV dV (t) dt = C dt i(t) = C dt v(t) = 1 tid + v(t0) C t 0 w = 21Cv 2 The cap...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 12: Electric Field, Qi

Capacitors and Inductors Admittance and Impedance Impedance is the AC analogue of DC resistance and is measured in ohms. Slightly more complicated because you have to consider the frequency of the current. Capacitors 1 ...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture 11: Lecture14

Operational Amplifiers Offset null 1 8 No Connection + Inverting 2 7 V input Non 3 ...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 10: Current Source

assume that the one you are focused on then is positive and subtract the other one v = 5(ia i b . 4. Doing this for all meshes, you will end up with enough equations to come up with a complete solution a. Protip; solve usi...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 9: Voltage Source, Current Source, Voltmeter

a. What were trying to find with this method is the voltage at each node (relative to the voltage source) 4. Label the essential nodes 1, 2, 3, then, mark the polarity on the essential nodes relative to the reference node ...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 8: Current Source, Voltage Source

Nodal Analysis, Mesh Analysis and Other Methods Some terminology - Planar Circuit:A circuit that can be drawn on a plane with no overlapping branches - Node:A point where 2 or more circuit elements join - ...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 7: Short Circuit

The equivalent resistance of a circuit can be found by removing the power sources Voltage sources are replaced with a short circuit Current sources are replaced with an open circuit. A circuit consisting of some compon...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 6: Voltage Source, V12 Engine, Current Source

Where is some constant representing the resistivity of the material Units are m (ohm meters) Resistors in series All resistors in series have the same current magnitude. The total resistance of a circuit of resistors i...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 5: Temperature Coefficient

The unit of resistance is the ohm denoted by an omega Ohms law v=iR Talking about current in resistor and terminal voltage. When we talk about the voltage drop across a resistor, use V = IR Tolerance V = I(R R) Us...

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture Notes - Lecture 3: Electric Field, Qi

The common mode gain is A but when the inverting and non inverting amplifiers are joined at some node In theory, this is 0, causing a CMRR of 0 We want the signal to noise ratio to be high James Boric 17 ELEC1103

Electrical Engineering
ELEC1103
omid kavehei
##### ELEC1103 Lecture 2: Lecture 2

Table of Contents Use heading 1 for the topic, then subsequent subheadings for subsequent subtopics. Introduction 2 Circuit Theory 4 Circuit Variables 4 Circuit Elements 5 Resistive Circuits 7 Maximum Power Transfer 10 Nod...

Electrical Engineering
ELEC1103
omid kavehei
##### Permachart - Marketing Reference Guide: Magnetic Circuit, Electrical Network, Angular Velocity

l e a r n • r e f e r e n c e • r e v i e w permacharts TM Electrical Engineering GLOSSARY OF TERMS ...

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##### Electricity & Magnetism - Reference Guides

This Guide is another one of the many products that effectively advances one’s knowledge of a distinct aspect of the physical sciences. The basic of the properties of electricity and electrical circuits are established in ...

Electrical Engineering
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##### Permachart - Marketing Reference Guide: Semiconductor Device, Precision Rectifier, Envelope Detector

permacharts TM E le c t r o n ic sI Waveforms Diodes ...

Electrical Engineering
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##### Permachart - Marketing Reference Guide: Schmitt Trigger, Square Wave, Negative Feedback

permacharts TM E le c t r o n ic sII Operational Amplifiers (OP AMPS) ...

Electrical Engineering
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