Jeopardy Circuits REVIEW - Turkett
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Transcript Jeopardy Circuits REVIEW - Turkett
Circuits Jeopardy
I = q/t
Current & Cons. Of
Charge
V = W/q
R = pL/A
Voltage & Resistance
V=IR
Ohm’s Law
Series and Parallel
Name the Cartoon
Characters
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10 The diagram below shows electric
currents that are meeting at Junction
P. What is the magnitude and
direction of the electric current
between points P and Q?
8A
P
Q
5A
3A
20
A wire has 8 coulombs of charge
pass through it every 3.0 x 10-3
seconds. What is the electric
current passing through this wire?
I = 2666.7 A
30
What is the reading in ammeter A?
7A
5A
A
3A
9A
40
What is the direction and
magnitude of current at
point Q?
1A
4A
6A
3A
50
A current of 8 amperes
passes through a resistor in
2 x 10-2 seconds. What is
the charge passing through
the resistor in this time?
q = .16 coulombs
10
If a battery supplies a voltage of 2
volts, then how much work must
be done to move a charge of 10
coulombs?
20 Joules
20
If 100 joules of work is done on
0.74 coulombs of charge, what is
the potential drop?
135.14 volts
30 What is the resistance in a wire that
has length of 3 meters, crosssectional area of 4 meters squared
and a resistivity of copper?
1.29 x 10-8 Ω
40
If I had a wire with cross sectional area A
and a resistance R, then what would be
the resistance of another wire made of
the same material but with cross
sectional area equal to 2A?
R/2
50
If the length of a wire is doubled the what
will happen to the resistance of the wire?
2R
10
If a 9 volt battery produces an
electric current of 3 amperes, then
what is the total resistance in the
circuit?
3 ohms
20
What does the slope of the line in the
graph below represent?
Resistance
VOLTAGE
CURRENT
30
A 15 ohm resistor has a potential
difference of 3 volts placed across
it. What electric current travels
through this resistor?
0.2 amperes
40
A 30 ohm resistor receives 25 coulombs of
charge through it in 5 seconds. What is the
potential difference across the resistor?
150 volts
50
A wire has a cross-sectional area of a wire is 8.6 x 10-12
meters squared, a length of 0.02 meters, and a resistivity of
1.72 x 10-8 ohm meters. If a current of 3 amperes is sent
through this wire then what is the potential difference in the
wire?
120 volts
10
What is the law total voltage through the
circuit if V1 reads 3 volts and V2 reads 12
volts?
A
V
1
V
V
2
V = 15 volts
20
If the current through resistor 2 is 0.4
amperes, what is the current being read in
the ammeter?
A
V
1
V
V
2
0.4 amperes
30
If the voltmeter reads 9 volts, what is the total voltage
in the circuit?
V
A
9 volts
40
What is the current in the ammeter if the current in
resistor 1 is 3 amperes, resistor 2 is 4 amperes and
resistor 3 is 5 amperes?
V
A
12 amperes
50
Where should the voltmeter and
ammeter be placed in the circuit
to correctly measure the voltage
and current, respectively?
A
V
V
A
10
Linus van Pelt, Charlie Brown
20
Pinky and the Brain
30
Brain, Penny, Inspector Gadget
40
Ranger Smith, Yogi Bear, Cindy Bear, Boo-Boo
50
Dewey, Huey, Louie, Scrooge McDuck