Download 3rd qtr review jeopardy

Electrostatics Electrostatics
Math
MC
Electric
Current &
Circuits
Magnetism
Math
Magnetism
MC
10
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Question 1 - 10
• A positive charge of
5.6*10^-6C is acted upon
by a force of 50N at a
certain distance. What is
the electric field at that
same distance?
Answer 1 – 10
•=(50)/(5.6*10^-6)
•=8.93*10^6
Question 1 - 20
• How many electrons must
be removed from an
electrically neutral gold
medal to give it a charge of
3.96*10^-6.
Answer 1 – 20
• =(3.96*10^-6)/(1.6*10^-19)
• =2.475*10^13
Question 1 - 30
• What is the net force on charge 2 if charge 1 is
-2C, charge 2 is 5C and charge 3 is 3C? D= 4m,
k=1
Answer 1 – 30
Question 1 - 40
• Three positive charges of q1=3.5*10^-6,
q2=8.0*10^-6 and q3=2.3*10^-6, respectively, are
arranged in a triangle, as shown in figure. Find the
magnitude of the electric force on the q2 charge.
Answer 1 – 40
Question 1 - 50
• A charge q1=+10.0uc is at the origin, and a charge
q2=-18.0uc is on the x-axis .65m from the origin,
Find the electric field strength at Point P, which is
on the y-axis .255m from the origin. Angle is 62.
Answer 1 – 50
Question 2 - 10
• When there is an equal
amount of positive and
negative charges on an
object, the object
is………………..
Answer 2 – 10
•Neutral
Question 2 - 20
•Electric field
lines
indicate……………
……..
Answer 2 – 20
•Direction
and speed
Question 2 - 30
•The leyden jar shown
had negative charge on
the inside cup and the
outside cup(the one in
middle)………….
Answer 2 – 30
•Positive
Question 2 - 40
•When the charge is
doubled on one particle,
the attractive force
between two particles
is……
Answer 2 – 40
•Doubled
Question 2 - 50
• A metal can is brought near
a negative charged PVC
pipe. The can is
_____________ to the pipe
because the can is
____________
Answer 2 – 50
•Attracted and
polarized
Question 3 - 10
•In solid
conductors ,
electric current is
the flow of………….
Answer 3 – 10
•Electrons
Question 3 - 20
•The relationship
between current and
potential in Ohm’s
Law is…………
Answer 3 – 20
•Directly
proportional
Question 3 - 30
• How much current will flow through .1 Ohm
resistor?
Answer 3 – 30
VOLTAGE
4.655
10.345
10.345
15
CURRENT
46.55
25.8625
20.69
46.55
RESISTANCE
.1
.4
.5
29/90
Question 3 - 40
• A circuit has only one
resistor, a 50 ohm one. If a
second 50 ohm resistor is
added in parallel, the
overall resistance will be…
Answer 3 – 40
•25
ohms
Question 3 - 50
•
•
•
•
•
What is the current for resistor 2?(2 decimals)
R1=13
R2=24
R3=20
R4=6
Answer 3 – 50
VOLTAGE
23.12
6.88
6.88
6.88
30
CURRENT
930/523
.29
.344
1.15
930/523
RESISTANCE
13
24
20
6
523/31
Question 4 - 10
• A wire carries a current of
20amps at an angle of 90
degrees to a magnetic field
“B”. If the wire is 10m long and
the magnetic force is 50N,
what is the strength of the
magnetic field?
Answer 4 – 10
Question 4 - 20
• A wire has a magnetic field
of strength of 50T. If the
wire is 16.5 meters long
and the magnetic for is
100N. What is the current?
Answer 4 – 20
Question 4 - 30
• Dr.V is on his Jetpack and is flying due east at
120m/s passing over Atlanta where the magnetic
field of the earth is 3.3*10^-5 Tesla. Dr.V has a
positive charge of 16*10^8C. What is the
magnitude of magnetic force in Newton's on Dr.V?
Answer 4 – 30
Question 4 - 40
• Dr.V found an unknown compound which has a force
of 5*10^-9N and a charge of 2nC and a has
horizontal velocity of 5000m/s. He needs your help
to help find him the magnetic field force of the
unknown compound.
Answer 4 – 40
Question 4 - 50
• A square coil of wire in a motor coil
containing a single turn is placed in a
uniform 10.8T magnetic field. Each
side has a length of 10m and the
current of the coil is 15amps.
Determine the magnitude of the
magnetic force on the top side of the
wire.
Answer 4 – 50
Question 5 - 10
• Is this a positive or a negative current?
Answer 5 – 10
•Positive
Question 5 - 20
•Where is the
magnetic field
strength the
closet?
Answer 5 – 20
•Close to a
magnet pole
Question 5 - 30
• What is the name of the device that converts
electric energy into mechanical energy?
Answer 5 – 30
• Electric motor
Question 5 - 40
• What direction is the force using FBI
Answer 5 – 40
Question 5 - 50
• What direction is the force using FBI
Answer 5 – 50
•In page and
diagonal