Charge
E field
Electric Potential
Units
Trivia
100
What is the charge of an electron?
-1.6E-19 C
100
A proton is pushed left by a force of 1N in a uniform electric field. Which way does the electric field point?
Left (with the electric field)
100
Find the electric potential of a proton pushed from a positively charged plate to a negatively charged plate 3mm if the electric field is 4E6 N/C
12,000 V
100
What are the units for the strength of an electric field?
N/C
100
Which falls faster - a pencil or a bowling ball?
Same rate! g
200
What is the charge of a proton?
+1.6E-19 C
200

An electron is pushed up by a force of 1N in a uniform electric field. Which way does the electric field point?

Down (against the electric field)
200
Find the change in potential energy of a proton pushed 3mm through an electric field of strength 3E4 N/C
1.44E-17 J
200
What are the base units of a Newton?

kg m/s2

200
What shape is the path of planetary orbit?
An ellipse
300
If two charges experience a force of 20N at a distance d away, what force will they experience at a distance d/3 away?
180N
300
A +7uC charge experiences a force of 20N to the right in an electric field. What is the magnitude and direction of the electric field? 
2.8E6 N/C right
300
If a battery holds 6.5V, how many Joules of energy does it transfer in the time it takes to produce 10C of charge?
65 J
300
What are the base units of a Joule?

kg m2/s2

300
What is electricity?
A flow of electrons
400
Find the force of attraction between an electron and a proton 1m away from each other.
2.3E-28 N
400
What do electric field lines represent?
The direction of the E field (arrows) and the strength or magnitude of the E field (density)
400
A proton is placed between two oppositely charged plates. The electric field has strength 2.5E5 N/C. What is the acceleration of this proton?

2.4E13 m/s2

400
What are the units of electric potential?
Volts, or J/C
400
What college did I go to?
UC Santa Barbara
500

1 C is formed by how many electrons?

6.25E18 electrons

500

An electron experiences is put into an electric field of strength 3E5 N/C west. What is the magnitude and direction of the force the electron experiences? 

4.8E-14 N east (against the field)
500

Find the final velocity of an electron that starts from rest if it moves 2cm through an electric field of strength 1E6 N/C

2E6 m/s

500
What is the meaning of a Coulomb?
It is the charge of a certain specific amount of electrons
500
How can you measure the spring constant in a given spring?
Place a mass on it and either time its oscillations or measure its displacement
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