Which LEDs produce light when the switch is in the position shown?
A
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banana
Go to last place!
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seesaw
Swap points!
Okay!
gift
Win 20 points!
Okay!
banana
Go to last place!
Oops!
15
Which circuit shown will produce light when the switch is close?
B
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15
A group of students is building the circuit represented in the diagram. What object can be used at position x for the buzzer to sound when Switch K is closed?
F
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15
Which change would cause all the bulbs to go out?
A
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15
Which of these circuits should the student build?
F
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15
Which diagram shows how the student should change the circuit?
J
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15
Which procedure will result in only the blue lightbulbs operating?
C
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15
In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan?
F
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15
The lightbulb does not glow. Which statement explains this observation?
G
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monster
Reset all scores!
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fairy
Take points!
5
10
15
20
25
shark
Other team loses 5 points!
Okay!
baam
Lose 20 points!
Oops!
seesaw
Swap points!
Oops!
gold
Win 50 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
Oops!
15
How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow?
F
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15
When the student connects the wires as shown, which of the bells will ring?
G
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15
Which of the following switches should be closed?
C
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15
With the switches in these positions, which lights are on?