Physics 2 with Calculus
Chapter 21
Electric Charge and Electric Field
Professor Bone/Regeura
I.
II.
III.
Electric charge
a. Charge: a property of fundamental particles
a.i. Charges of like signs: repel
a.ii. Charges of opposite signs: attract
b. Electrost
Chapter 26: Magnetism: Force and Field
Magnetism
Magnets
Magnetism
Magnetic
forces
Magnetism
Magnetic
field of Earth
Magnetism
Magnetic
monopoles?
Perhaps there exist magnetic charges, just like electric charges.
Such an entity would be called a magne
Class Problem
For this problem, the sign of the charge can be determined using the right/left hand rule and see
which one would demonstrate the trajectory of the ion after it leaves the plates. The ion must be
of a negative charge because using the left-h
Friday Homework: 3.22.13
Due 3.25.13
Please write out clear solutions for each problem.
1.) For the following circuit, explain what happens to the light bulb as a function of time after the switch
is closed, both in terms of the bulbs appearance and in te
Thursday Homework: 3.8.13
Due 3.18.12
Please write out clear solutions for each problem.
1. Two large, parallel, metal sheets carrying opposite electric charges of equal magnitude are
separated by a distance of 35.0 mm. The electric field between them is
Friday Homework: 3.01.13
Due 3.08.13
Please write out clear solutions for each problem.
1. Cathode-ray tubes (CRTs) are often found in oscilloscopes and computer monitors. In
the figure an electron with an initial speed of 6.50 x 106 m/s is projected alon
Friday Homework: 2.8.13
Due 2.15.13
Please write out clear solutions for each problem.
1. Consider the circuit shown in the figure. The current through the 6.00- resistor is
4.00 A, in the direction shown. What are the currents through the 25.0- and 20.0-
Friday Homework: 1.25.13
Due 2.1.13
Please write out clear solutions for each problem.
1.
Do not do part b.
2.
3. Three point charges are arranged along the x-axis. Charge q1=+3.00 C is at the origin,
and charge q2= -5.00 C is at x=0.200 m. Charge q3= -8.
Friday Homework: 4.12.13
Due 4.19.13
Please write out clear solutions for each problem.
1)A24.80-C chargeismovingataconstantspeedof6.80x 105m/sinthe+x-direction
relativetoareferenceframe.Attheinstantwhenthepointchargeisattheorigin,whatisthe
magneticfieldv
Friday Homework: 1.1.13
Due 1.8.13
Please write out clear solutions for each problem.
1.A 4.5-volt
series circuit consists of two resistors. Resistor A has three times the
resistance as resistor B. An ammeter records a current of 160 mA of current.
Determ
Friday Homework: 2.15.13
Due 2.22.13
Please write out clear solutions for each problem.
1 Two stationary point charges +3.00 nC and +2.00 nC are separated by a
distance of 50.0 cm. An electron is released from rest at a point midway
between the two charge
Friday Homework: 2.22.12
Due 3.1.12
Please write out clear solutions for each problem.
1. A thin glass rod is bent into a semicircle of radius r. A charge +q is
uniformly distributed along the upper half and a charge of q is uniformly
distributed along th
Thursday Homework: 1.12.12
Due 1.19.12
Please write out clear solutions for each problem.
1. Two small spheres spaced 20.0 cm apart have equal charge. How many excess
electrons must be present on each sphere if the magnitude of the force of repulsion
betw
Ch 22 HW
Due: 11:59pm on Saturday, January 30, 2016
You will receive no credit for items you complete after the assignment is due. Grading Policy
Gauss's Law
Learning Goal:
To understand the meaning of the variables in Gauss's law, and the conditions unde