Lab #4: Power in DC Circuits Using Light Bulbs
3/2/16
Objective
In this lab, we had five different circuits consisting of series and parallel circuits. All five circuits
had three light bulbs of about
Lab #5: Multi-Loop Circuits: Kirchhoffs Rules
3/9/16
Objective
In this lab, we had a circuit consisting of three resistors and two power supplies. Each resistor
had a different resistance and the two
Lab #2: Ohms Law
2/10/16
Objective
In this lab, we had a series circuit consisting of three resistors, each with a different resistance.
The resistance of each resistor is measured with a multimeter b
Lab #3: Parallel Circuits
2/24/16
Objective
In this lab, we had a parallel circuit consisting of three resistors, each with a different resistance.
The resistance of each resistor is measured with an
Lab #7: Equipotentials and Electric Fields
4/6/16
Objective
In this lab, we had pieces of paper that had conducting ink on them. Each piece of paper
represented a different conductor. Sheet A represen
Lab #1: Ohms Law
2/3/16
Objective
In this lab, we examine Ohms law and take a closer look at the relationship between voltage
(potential difference), current, and resistance. The potential difference
10. The RLC Circuit
Objective: Use the oscilloscope to study the decay and oscillation of an RLC circuit
Background:
An RLC circuit is one in which a resistor, an inductor, and a capacitor are connect
6. The RC Time Constant
Objective: Learn basic operations of the oscilloscope and measure the time constant of an RC circuit
Background:
During discharge, the voltage on a capacitor connected to a res
7. Magnetic Force on Current Wires
Objective: To verify the relation
!
! !
FI = IL ! B
for the force on a current wire in a magnetic field.
Theory:
The reading on an electronic scale (apparent weight)
9. Measurement of Magnetic Fields
Part 1: Magnetic field of a current carrying coil
Objective To verify the formula for the magnetic field of a current-carrying circular coil
Background The magnetic f
8. Measurement of e/m
Objective To measure charge over mass of electron
Background An electron moving perpendicularly to a uniform magnetic field
in a circle of radius given by
where
travels
is its ve
Class Problem 23
(1) For the surface in a magnetic field with the normal
chosen, find
1.
2.
the normal component of the magnetic field
the magnetic flux
(2) A rectangular wire frame of dimensions 10cm
4. Capacitance
A. Objective: To determine the capacitance of the electrometer
B. Equipment setup: Refer to the diagram.
1. Source of Electric Charge: Connect the electrostatic power supply to a metall
5. Simple Circuits
Objectives: Learn to build simple circuits and perform measurements of resistance,
current, and voltages
Part A Verification of Ohms law
Ohms states that for a resistor, the current
2. Electrostatics
Objectives To study the characteristics of charging processes using an electrometer.
Background
Electrometer Operation:
The electrometer can be used to
measure charges, although the
PHYS 196 Math Preparedness Problems
1. The electrical resistance of a metallic wire of length L and cross-sectional area A
L
where is the electrical resistivity of the metal.
A
Given that the electric
1. Scotch Tape Electricity
Objectives You will learn some basic facts of electricity including
1. Neutral objects can be charged up by charge transfer
2. There is mutual force of attraction between a
Solution to Homework 1
1. (a) 8.0nC
q 8.0 10 9
5.0 1010
19
e 1.6 10
(c) A has lost electrons. Electrons are transferred from A.
(b) no. of electrons transferred N
2. (a) no. of protons = 25
(b) no.
11
Linear dependence and independence
Definition: A finite set S = cfw_x1 , x2 , . . . , xm of vectors in Rn is said to be linearly dependent if there exist scalars (real numbers) c1 , c2 , . . . , c
Chapter 29: Magnetic Fields due to Currents
Chapter 29 is a difficult chapter for many students. Why is this so? Remembering back
to electrostatics, in deriving E-fields (over chapters 21, 22, 23), we
12
12.1
Basis and dimension of subspaces
The concept of basis
Example: Consider the set
1
2
0
,
.
,
S=
2
1
1
Then span(S) = R2 . (Exercise). In fact, any two of the elements of S span R2 . (Exerc
10
Subspaces
(Now, we are ready to start the course . . . .)
Definitions:
A linear combination of the vectors v1 , v2 , . . . , vm is any vector of the form c1 v1 +
c2 v2 + . . . + cm vm , where c1 ,
13
13.1
The rank-nullity (dimension) theorem
Rank and nullity of a matrix
Definition: The nullity of the matrix A is the dimension of the null space of A, and is
denoted by N (A). (This is to be disti