Definitions
Concepts 1
Concepts 2
Math!
Grab Bag
Ran-Dumb!
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Push or Pull from Charges
Answer: Force
Force that keeps particle in a
nucleus
Answer: Strong Force
Unit of Charge
Answer: Coulomb
How you neutralize a
charge
Answer: Ground it
Produced when Charges
move
Answer: electricity
A machine that
separates charge
Answer: Van De Graff
What can detect the presence of
a magnetic field?
Answer: Magnets,
compasses, etc…
If two rods after being
rubbed are attracted
what could account for
that?
Answer: they had opposite
charges
Where is the Earth’s
South magentic pole?
Answer: near the
geographic north pole.
What is an electroscope
used for?
Answer:to detect
charges
What do electric field
lines show?
Answer: direction of
field and force on
positive charge
What would a steel object
affect a magentic field
more than a plastic one?
Answer: It can become a
temporary magnet.
Define permanent when
talking about magnets.
Answer: object stays
magnetized no matter its
placement
Give examples of field
forces.
Answer: magnetic fields,
electric fields, gravity..
What is the force between two 8 microC charges that
are 3mm apart. Tell if it attracts or repels
Answer: 64000 N
What is the electric potential 20
cm away from 8 x 10^-6 C?
Answer:360000 V
A charge .1 x 10^-6 is at (0,0)
what is the field strength at
(20,30)cm
Answer: 6944 N/C
What is the total
capacitance of a 6 uF and
a 10 uF capacitors wired
in parallel?
Answer: 16 uF
How would change the value of one charge to keep the
force between two charges the same if the distance
doubled?
Answer: increase one
charge by 4 times
What is the total capacitance of a circuit
with a 6 uF and a 10 uF capacitors wired in
series?
Answer: 3.7 uF
How long would be the vector
lines for electric field strength
be for a point 9 mm from a
charge and one 45 mm from a
charge, respectively.
Answer: the closer one’s
vector would be 25 times
longer
T or F A capacitor creates
energy.
Answer: False
If a 1 C and and 3 C are
1 m apart what is the
force between them?
Answer: 2.7 x 10^10 N
If the distance between two
charged particles increases
by a factor of 9 what
happens to the force
between them?
Answer: decreases by 81
times
If charge A has field lines
going out and charge B has
field lines going in, what are
their charges?
Answer: A = + , B = -
What is the name of Marlin’s
wife in Finding Nemo?
Answer: Coral
In Dark Knight Rises what is the
program Selina Kyle wants to
erase her history?
Answer: clean slate
What type of car does Alice
steal to save Edward in “New
Moon”?
Answer: A porsche
Steve Rogers is the real
name of what
superhero?
Answer: Captain
America
Which rapper appeared on
Miley Cyrus’ Bangerz?
Answer: Nelly
?
Answer:
?
Answer: