Extra Credit #1
1. A piece of plastic has a net charge of +6.00 C. How many more protons than
electrons does this piece of plastic have?
a. 6.781013
b. 4.501013
c. 1.601013
d. 3.751013
ANSWER: D
2. How much work is required to move an electron between two
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PHYSICS 100B
SAMPLE TEST 2
NAME: _
SCORE:_
PART I - MULTIPLE CHOICE
1. What is the direction of the magnetic field from the right wire at the left wire?
a) left
b) right
c) out
d) in
Apply magnetic field
right hand rule.
2. In the figure below a light ray
PHYSICS 100B
FALL 2005 - TEST1
NAME: _
SCORE:_
PART I - MULTIPLE CHOICE (4 PTS EACH FOR A TOTAL OF 24 POINTS)
1. A negatively charged rod is brought near one end of an uncharged metal bar. The end of the
metal bar farthest from the charged rod will be
a)
Constants
Chapter 22
Electric Force:
Magnetic Force:
Moving Charge
Circular Motion in B field:
Current Carrying Wire
Radius
Velocity Selector:
Current loop in B field:
Torque
Magnetic Moment
Magnetic Field:
Long Straight Wire,
Center of N Circular Loops
I
Constants
Chapter 17
Coulombs Law:
Charge in an Electric Field:
Electric field created by a point charge:
Chapter 18
Definition Electric Potential:
Relationship to Electric Field:
Change in Electrical Potential Energy
Energy Conservation:
Electric potenti
PHYSICS 100B
SAMPLE TEST 2
NAME: _
SCORE:_
PART I - MULTIPLE CHOICE
1. What is the direction of the magnetic field from the right wire at the left wire?
a) left
b) right
c) out
d) in
2. In the figure below a light ray (solid line) from the top of an objec
PHYSICS 100B
FALL 2005 - TEST1
NAME: _
SCORE:_
PART I - MULTIPLE CHOICE (4 PTS EACH FOR A TOTAL OF 24 POINTS)
1. A negatively charged rod is brought near one end of an uncharged metal bar. The end of the
metal bar farthest from the charged rod will be
a)
PHYSICS lOOB CH19 QUIZ Name
1.Can any object have a net charged of +2.5*10'”C? Explain.
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2. Find the mag
Experiment 24
Experiment 24: The Potentiometer
Purpose
(1) To study the principle of the potentiometer.
(2) To measure EMFs of batteries.
Apparatus
(a) a slide wire, a DC power supply; an ammeter, a voltmeter
(b) a standard cell, a holder for batteries an
Physics 100A Summer 2015
Chapter 10
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
1. Picture the Problem: T
Physics 100A Summer 2015
Chapter 9
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
4. Picture the Problem: Th
Physics 100A Summer 2015
Chapter 8
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
2. Picture the Problem: Th
Physics 100A Summer 2015
Chapter 4
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
2. Picture the Problem: Th
Physics 100A Summer 2015
Chapter 3
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
3. Picture the Problem: Co
Physics 100A Summer 2015
Chapter 6
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
3. Picture the Problem: A
Physics 100A Summer 2015
Chapter 5
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
4. Picture the Problem: Yo
Physics 100A Summer 2015
Chapter 7
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
3. Picture the Problem: A
Physics 100A Summer 2015
Chapter 2
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
1. Picture the Problem: Yo
Physics 100A Summer 2010
Chapter 1
Solutions are provided only for problems from your textbook. The other problems
already have so much guidance and notes that you should be able to understand where
you have gone wrong.
Problems
2. Picture the Problem: Th
Physics 220A Practice Final Exam (Fall 2014)
1. An object weighing 44.1 N hangs from a vertical massless ideal spring. When set in
vertical motion, the object obeys the equation y(t) = (6.20 cm) cos[(2.74 rad/s)t - 1.40].
(a) Find the time for this object
Physics 100,4.-S
Name:
12-Midterm2
B
061201t2
Please show all your work, and explain reasoning clearly where necessary.
1. A force of 10.0 N is applied at an angle of30o to the horizontal on a 1.25-kg block at rest on a
frictionless surface, as illustrate
Motion in 1-dimension:
Displacement x x f xi
x
t
Average velocity vav
Average acceleration aav
x
t 0 t
Instantaneous velocity v lim
v
t
Instantaneous acceleration a lim
t 0
v
t
Motion with constant acceleration:
v v0 at
vav 1 (v0 v)
2
x x0 v0t 1 at 2
2
Physics
Name:
100A-S 12-Midterm
1
A
06108/12
Please show all your work, and explain reasoning clearly where necessary.
Nerve impulses in giant axons of the squid can travel with a speed of 20.0 m/s. How fast is this in ff/s
and mi /h? (1 m :3.281ft and lm
Physics 100A - S 0 6 - Final Exam
Name:
1. A car is moving with a velocity (4.5 d s )
07113/07
Please show all your work
f - (1.0 d s ) j and 2.5 seconds later its velocity is
- (6.0 mls) f + (3.0 d s ) 3 . What is the magnitude of the average acceleratio
Magnetism in Matter
Moving charges (currents) create B-fields.
Where are the moving charges?
Magnetism in matter arises from atomic current loops associated with orbiting and spinning electrons.
2
Diamagnetic materials atoms are not permanent magnetic dip
Maxwells Equations
Let there be light!
Maxwells Equations
The relationships between electric and magnetic fields and their sources
What have we seen so far
Qenc E dA
0
Gauss Law for Electric Fields
What it says: How charges produce Electric field: Elect