- relates the current through a material
to the potential difference across it.
Accordingly, the current is directly
proportional to the voltage.
OHMS LAW
Mathematicall
y
V IR
where:
V - is voltage, (V)
I - is current, (A)
R - is resistance.
()
EXAMPLE 1:
Electric Current & Resistivity
Electric Current (I)
Current
- is any motion of charges
from one region to
another.
- is the net charge flowing
through the area of a
conductor per unit time.
Mathematically
dQ
Q
I
dt
t
where:
I = current, (Ampere)
Q = amoun
Over 500 different types of plants were described by Theophrastus of Eresus.
He was born in 370 B.C. and was a student of Aristotle, who bequeathed to
Theophrastus his writings, and designated him as his successor at his School. He was
a scholar, botanist
FORCE SYSTEMS
Engr. Erica Elice S. Uy, M. Eng.
Outline
Force Systems-Two Dimensional
Force Systems
External and Internal Effects
Principle of Transmissibility
Force Classification
Components of a Force
EESU
2
Force Systems
Review: Force is the action
A Research Study on the
Negative Effects of Poor
Transportation System in Metro
Manila to Students of
Universities Residing Along
Taft Avenue
Review of Related
Literature
McShane, Prassas, and
Roess (1998) discusses
that the objective of
transportation an
RESULTANTS
Engr. Erica Elice S. Uy, M. Eng.
Outline
Coplanar Concurrent Force System
Coplanar Parallel Force System
Non-Concurrent Force System
EESU
2
Resultant of Coplanar Concurrent
Force System y
y
F1
F2
=
R
Ry
x
F3
Rx
Rx Fx Ry Fy R Rx Ry tan
2
2
x
Earl James A. Roque
11509430
MENGIOR
The BS/MS Program
Last June 10, 2016, we had an orientation about the BS/MS Program of
the Mechanical Engineering Department of DLSU. Sadly, I came late and I
missed hearing the first speaker, who elaborated the requir
STATICS: INTRODUCTION
Engr. Erica Elice S. Uy, M. Eng.
Outline
Introduction to Statics: Mechanics
Basic Concepts
Scalars and Vectors
Newtons Laws
Free Body Diagram
EESU
2
Mechanics
Introduction
is a branch of
the physical sciences that is co
ncerned w
Earl James A. Roque
11509430
MENGIOR
An Engineers Life
From our course Science, Technology, and Society 1 (SOCTEC 1) during our
second semester, we have learned about the relationships that exist between
Science, Technology, and our society. Basically, Sc
COUPLE
Engr. Erica Elice S. Uy, M. Eng.
Outline
Couple
Equivalent Couples
ForceCouple Systems
EESU
2
Couple
The moment produced by two equal,
opposite, and non-collinear forces is cal
led a couple.
Consider the action of two equal and
opposite forces F
Earl James A. Roque
11509430
American Society of Mechanical Engineers (ASME)
According to the organizations page, ASME "promotes the art, science, and practice
of multidisciplinary engineering and allied sciences around the globe" via
"continuing educatio
MOMENT OF A FORCE
Engr. Erica Elice S. Uy, M. Eng.
Outline
Moment of a Force
Varignons Theorem
Moment of a Force about an Axis
EESU
2
Moment of a Force
A force can rotate a body about an axis.
O
The axis may be any line
which neither intersects nor is
DIGITAL TO ANALOG AND
ANALOG TO DIGITAL
CONVERTER
Prepared By :
DONABEL R. DE VEAS-ABUAN
ANALOG TO DIGITAL CONVERTER
Introduction :
An
analog-to-digital
converter
(abbreviated ADC, A/D or A to D) is a
device that converts a continuous quantity
to a discre
SINUSOIDAL OSCILLATOR
PREPARED BY :
DONABEL DE VEAS-ABUAN
INTRODUCTION
An oscillator is a circuit that generates a periodic AC signal
with fixed amplitude and frequency without any external
input signal.
A. OSCILLATOR BASICS
Oscillators are implemented us
CONVERTERS
Prepared by:
DONABEL D. ABUAN
DAC concepts
In modern life, electronic equipment is frequently used in different
fields such as communication, transportation, entertainment, etc.
Analog to Digital Converter (ADC) and Digital to Analog Converter
DIFFERENTIAL AMPLIFIER
PREPARED BY :
DONABEL DE VEAS-ABUAN
INTRODUCTION
The differential amplifier circuit is in extremely
popular connection used in IC units.
The circuit
has two separate inputs, two separate
outputs, and that the emitters are connecte
FET SMALL SIGNAL
ANALYSIS
Prepared By:
DONABEL DE VEAS-ABUAN
INTRODUCTION
Field-effect transistor amplifiers provide an
excellent voltage gain with the added
feature of a high input impedance.
They
are also considered low-power
consumption configuration
REVIEW OF FET
PREPARED BY:
DONABEL DE VEAS-ABUAN
01/26/17
Field-Effect Transistors (FET) DC Analysis
2
INTRODUCTION
For the field-effect transistor, the relationship between
input and output quantities is nonlinear due to the squared
term in Shockleys eq
TRANSISTOR AMPLIFIERS
PREPARED BY:
DONABEL R. DE VEAS-ABUAN
INTRODUCTION
An amplifier receives a signal from some pickup
transducer or other input source and provides a
larger version of the signal to some output device or
to another amplifier stage.
An i
GROUP EVALUATION FORM
Laboratory 1: Introduction to Assembly Language Programming Tools
Group No:
Section: EL1
LAB SCHEDULE: H 1800 2100 V402
Group Members:
DATE PERFORMED: January 19, 2012
1. Hiceta, John
DATE SUBMITTED: March 1, 2012
2. Ceron, Michael
E
GROUP EVALUATION FORM
Laboratory 2: 8088/8086 Instruction Set
Group No:
Section: EL1
LAB SCHEDULE: H 1800 2100
Group Members:
DATE PERFORMED: Feb. 2, 2012
1.
Michael Angelo M. Ceron
DATE SUBMITTED: March 1, 2012
2.
John Alric Q. Hiceta
Exercises
3.
Nicole
Chapter 6
Many Particle Systems
c
2009
by Harvey Gould and Jan Tobochnik
1 August 2009
We apply the general formalism of statistical mechanics to systems of many particles and discuss the
semiclassical limit of the partition function, the equipartition th
Indian Institute of Technology Guwahati
Department of Physics
Mid Semester Examination
Statistical Mechanics: PH404
Date: 2nd March 2016
Full Marks: 30
Time: 2 hours
Answer the following four questions:
1. Surfactant molecules such as those in soap or sha
INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
Department of Physics
Statistical Mechanics: PH704
Problem set-II
1. Consider a monatomic ideal gas of N molecules confined in a volume V having total
energy E in thermodynamic equilibrium. Calculate the number of m
INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
Department of Physics
MID SEMESTER EXAMINATION
Statistical Mechanics: PH704 Solution
1. There are two possible point defects in the crystal structure, Schottky and Frenkel
defects. In Schottky defect, the atoms are
Master TPA-M1
Statistical Mechanics
Problem set 5: Fermi-Dirac statistics
Ex.1 The 3d ideal fermion gas
Consider a 3d gas of N fermions in the thermodynamic limit.
a) Obtain the relationship between the grand potential J and the energy E of the gas. Deriv
1
INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
DEPARTMENT OF PHYSICS
Mid Semester Examination
PH443:MC Methods and Applications
26th February 2014
Full Marks: 30
Time: 2 hours
Answer the following five questions:
1. (a) Starting from dE = T dS P dV , show that
Master TPA-M1
2013-2014
Statistical Mechanics
Problem set 4: The Grand Canonical Ensemble
Ex.1. Fluctuation of the number of particles
Prove the following relationship:
N
N
2
kT
N
T ,V
Ex.2. The monatomic ideal gas.
Let us consider a monatomic ideal gas i