Physics 1102- Fall 2014
Revision on Lecture 7
Direct Current & Household Circuits
Chapter: 18 Sections: (18.1 18.3 & 18.6 18.8)
Sources of emf
The source that maintains the current in a closed
circuit is called a source of emf.
Any devices that increase
Physics 1102 Fall 2014
Revision on Lecture - 9
Magnetism, Magnetic fields & Forces
Chapter 19 (19. 6 19.9, Skip Amperes Law)
Rotation of a Charged Particle in a
Magnetic Field
Consider a particle moving
in an external magnetic
field so that its velocity
Physics 1102- Fall 2014
Revision on Lecture -14
Images Formed by Refraction & Thin Lenses
Chapter 23, Sections (23.4 23.6)
Images Formed by Refraction
Rays originate from the
object point, O, and pass
through the image point, I
When n2 > n1,
Real image
Physics 1102- Fall 2014
Problem Set #11
Electromagnetic Waves & Polarization of Light
Chapters: 21 Sections: (21.8-21.12) & Chapter 24 Section: (24.9)
Equations:
1
c
o o
3x10 8 m / s
c
E
3x10 8 m / s
B
U I ( A)(t ) Joules
I
E max Bmax
Watts / m 2
2 o
Physics 1102- Fall 2014
Problem Set # 13
Flat and Spherical Mirrors
Chapter: 23, Sections: (23.1-23.3)
Equations:
Or
Or
_
1- Two plane mirrors stand facing each other, 3,00 m apart, and a woman stands between them.
The woman faces one of the mirrors from
Physics 1102- Fall 2014
Problem Set #10
Electromagnetic Induction
Chapter: 20, Sections: (20.1-20.4)
Equations:
B = (B.cos ) A = Bn .A
= N B A sin () = N B A sin ( t)
max= N B A
Imotor = ( source back) / Rcoil
_
1- A circular loop of radius 12.0 cm is p
Physics 1102- Fall 2014
Problem Set # 9
Magnetic Fields and Forces II
Chapter: 19, Sections: (19.6- 19.9- Skip Amperes Law)
Equations:
Fc m
v2
qvB sin(90)
r
r
Magnetic Fields of a Long Straight Wire:
Magnetic Fields of a current loop:
BN
Magnetic Fields
Physics 1102- Fall 2014
Problem Set # 8
Magnetism, Magnetic Fields and Forces
Chapter: 19, Sections: (19.1- 19.5)
Equations:
F = q v B sin
F = B I sin
= B sin()
=IAN
1- Consider the following figure.
(a) Find the direction of the force on a proton (a p
Physics 1102- Fall 2014
Problem Set # 7
Direct Current & Household Circuits
Chapter: 18, Sections: (18.1 18.3 & 18.6 - 18.8)
Equations:
I ( R) I (r ) I ( R r )
I
Rr
Resistors in Series:
V V1 V2 V3
V IReq
V1 IR1
V2 IR2
V3 IR3
IReq IR1 IR2 IR3 I ( R1 R2 R3
Physics 1102- Fall 2014
Revision on Lecture 8
Magnetism, Magnetic fields & Forces
Chapter: 19 Sections: (19.1 19.5)
Magnetism
Magnetism is one of the most important fields
in physics in terms of applications.
Magnetism is closely linked with electricity
Physics 1102 Fall 2014
Revision On Lecture -10
Electromagnetic Induction
Chapter 20 Sec. (20.1 20.4)
Connections Between Electricity and
Magnetism
1819
Hans Christian Oersted discovered an electric current
exerts a force on a magnetic compass.
First ev
Physics 1102- Fall 2014
Revision on Lecture -1
Electric Charges, Forces and Fields
Chapter: 15, Sections: (15.1 15.4)
Electricity
What does the word Electricity mean for you?
It means everything in the universe.
Matter is made of atoms with positively ch
Physics 1102- Fall 2014
Revision on Lecture 5
Capacitance
Chapter: 16, Sections: (16.6, 16.7, 16.9 & 16.10)
Capacitance
A capacitor is a device used in a variety of
electric circuits.
The capacitance, C, of a capacitor is defined as
the ratio of the mag
Physics 1102- Fall 2014
Revision on Lecture 2
Electric Field, Gauss law
Chapter: 15, Sections: (15.5, 15.6, 15.9)
Electric Field Lines
A convenient aid for visualizing electric field
patterns is to draw lines pointing in the
direction of the field vector
Physics 1102- Fall 2014
Revision on Lecture 3
Electric Potential Difference and
Electric potential
Chapter: 16, Sections: (16.1- 16.2)
Potential Energy
The concept of potential energy is useful in the study of
electricity.
A potential energy function ca
Physics 1102- Fall 2014
Revision on Lecture 6
Electric Current and Resistance
Chapter: 17, Sections: (17.1 17.6)
Electric Current
The current is the rate at which the charge flows through a surface.
Look at the charges flowing perpendicularly through a
Physics 1102- Fall 2014
Revision on Lecture -13
Flat and spherical mirrors
Chapter 23, Sections: (23.1 23.3)
Mirrors and Lenses
The development of mirrors and lenses aided the
progress of science.
It led to the microscopes and telescopes.
Allowed the s
Physics 1102- Fall 2014
Revision on Lecture 4
Electric Potential Energy and Equi-Potential
Surfaces
Chapter: 16, Sections: (16.3- 16.4)
Electrical Potential Energy of Two
Charges
V1 is the electric
potential due to q1 at
some point P
The work required t
Physics 1102- Fall 2014
Revision on Lecture -11
Electromagnetic Waves & Polarization of Lifght
Chapter 21 Sections (21.8 - 21.12) & Chapter 24
Section (24.9)
Electromagnetic Waves
Electromagnetic waves are composed of
fluctuating electric and magnetic fi
Physics 1102- Fall 2014
Problem Set #12
Reflection, Refraction of light & Polarization by
reflection
Chapter: 22, Sections: (22.1-22.5 & 22.7) & Chapter 24 Section (24.9)
Equations:
c=f
E=h
n1 sin 1 = n2 sin 2
sin c = (n2/ n1)
For (n1 > n2)
Polarization:
Physics 1102- Fall 2014
Problem Set #14
Images formed by Refraction & Thin Lenses
Chapter: 23, Sections: (23.4-23.6)
Equations:
For curved refracting surface:
For flat refracting surface:
Magnification:
Lenses:
_
1- The top of a swimming pool is at ground
Physics 1102- Fall 2014
Lecture # 9
Magnetic Fields and Forces II
Chapter: 19, Sections: (19.6- 19.9- Skip Amperes Law)
Motion of a charged particle in magnetic field:
Imagine a charged particle of speed v enters a magnetic
field B perpendicular to v. The
Physics 1102- Fall 2014
Lecture #12
Reflection, Refraction of light & Polarization by
reflection
Chapter: 22, Sections: (22.1-22.5 & 22.7) & Chapter 24 Section (24.9)
Early models of light:
1- Newton
It was proposed that light consisted of tiny particles
Physics 1102- Fall 2014
Lecture # 8
Magnetism, Magnetic Fields and Forces
Chapter: 19, Sections: (19.1- 19.5)
Magnetism is one of the most important fields in physics in terms of applications. It is
closely linked with electricity. Magnetic fields affect
Physics 1102- Fall 2014
Lecture # 13
Flat and Spherical Mirrors
Chapter: 23, Sections: (23.1-23.3)
Mirrors and Lenses:
The development of mirrors and lenses aided the progress of science.
It led to the microscopes and telescopes. Allowed the study of obje
Physics 1102- Fall 2014
Lecture #2
Electric Field, Gauss law
Chapter: 15, Sections: (15.5, 15.6, 15.9)
Electric Field Lines:
Electric field lines are imaginary set of lines (not material objects) used only to visualize
the electric field at various locati
Physics 1102- Fall 2014
Lecture #1
Electric Charges, Forces and Fields
Chapter: 15, Sections: (15.1 15.4)
15.1 Properties of electric charges
Matter is made of atoms with positively charged particles (protons) and uncharged
particles (neutrons) concentrat