lecture on V rms
lecture on the oscilloscope
office hour 6/11
4B Lab Manual
4B Lab Manual Classic
past full exams and finals with, and without, solutions:
exam solution archives (separate pages)
exam solution archives (separate pages)
watching the famous Walter Lewin MIT lectures as compliment to the lectures.
WHAT IS CHARGE?
Coulomb's law, and the electric field
Quiz 1 problem set:
Chapter 23 in Serway:
Find the radius of an atom given the charge values and
the kinetic energy of the orbiting charge.
Find the E field along the perpendicular bisector
of two negative source charges using symmetry.
Find the E field along the perpendicular bisector of two negative source
charges not using symmetry.
The time of flight of a charge released in a non uniform electric field.
Find the electric field from two point sources.
Finding the electric field maximum along
the perpendicular axis of a dipole.
Finding the electric field at a point away from a
line of charge.
fields from continuous distributions of charge and torques on distribution
Quiz 2 problem set:
Still Chapter 23:
The torque from a uniform
electric field on a two charge system.
Finding the electric field at the center of
a half ring of charge page 1
half ring of charge page 2
Finding the electric field along the line of a
finite length of charge.
Another problem in finding the electric field from a line
The force on a rod of charge perpendicular to an
infinite line of charge.
Gauss's Law for electric fields
Quiz 3 problem set:
"E in" and "E out". A visual aid to
Finding the electric field inside a uniformly charged
spherical dielectric with a hollow cavity.
Finding the electric field at the center of a
hemispherical shell of uniform charge distribution.
Finding the electric field at a point inside an offset
spherical cavity within an otherwise uniformly charged dielectric sphere.
Finding the electric field inside a
non-uniformly charged dielectric sphere using Gauss's Law.
Using Gauss' Law to find the electric
field within the thickness of a charged dielectric sphere with an inner hollow.
Finding the electric flux through a plane area
from a non-uniform electric field.
Finding the electric flux through a plane area from
another non-uniform electric field.
Potential and Energy
Quiz 4 problem set:
Finding the potential due to two equal rings of
charge along their common axis.
Finding the potential to the left of two
negatively charged infinite and parallel sheets of charge
Finding the external work necessary to
move a charge at constant kinetic energy through a given distance with two
other fixed charges present.
Finding the final surface charge density
on one initially charged sphere after it is connected with another initially
Finding the potential along the perpendicular
bisector of a charged rod of length l.
The electric potential anywhere in a plane
perpendicular to a finite line segment of charge
and more energy
Quiz 5 problem set: But no quiz, just an exam.
total energy stored in a charged solid dielectric sphere using energy density.
A weird but effective summary of many ideas
and equations in electrostatics.
1 now. Topic: electrostatics (given after about thirty lectures)
Quiz 6 problem set:
Chapter 27 and 28:
Finding the resistance of a thick spherical shell
Finding the maximum power delivered to a load resistor
by two real batteries in parallel
A problem on a resistor dissipating heat
while a capacitor is charging.
A solution for a resistor capacitor circuit.
Finding the voltage across a capacitor when it
is fully charged and in paralell with a resistor.
Quiz 7 problem set:
Finding the magnetic moment of a spinning
spherical shell of charge
Finding the radius of the helix a charge is moving
in a magnetic field
Finding the magnetic moment of a spinning disk.
Finding the magnetic force on a half circle of current.
Seven pages of notes taken by a student covering
some properties of the magnetic force and its application to the basic
design of a
velocity selector, a mass spectrometer, and a cyclotron. And also, the
beginnings of the magnetic force on a current
The solution to the magnetic torque holding a disk stationary on an inclined
Creating magnetic fields: Gauss's Law for magnetism,
Ampere’s Law, and the Biot-Savart Law
Quiz 8 problem set:
The force on a rectangular current loop from
an infinitely long straight line of current.
An Ampere's law problem.
Finding the magnetic field within a
current carrying cylnder
No Quiz set for this, just an exam
The emf induced in a rotating rod in a magnetic
Finding the terminal velocity of a loop falling through a magnetic field
The magnetic flux through a rectangle from straight line current source.
Exam 2 (given during the last week
Quiz 9 problem set:
Chapter 32 and 33:
equations and electromagnetic waves:
Is there ever time for this? No, but the four Maxwell's
equations (all in bold face where mentioned above in the titles) were all
studied during the course.