Which circuit shown will produce light when the switch is close?
B
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15
Which diagram shows how the student should change the circuit?
J
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monster
Reset all scores!
Oops!
fairy
Take points!
5
10
15
20
25
gift
Win 20 points!
Okay!
lifesaver
Give 20 points!
Oops!
seesaw
Swap points!
Oops!
magnet
Take 20 points!
Okay!
gift
Win 25 points!
Okay!
baam
Lose 10 points!
Oops!
15
Which LEDs produce light when the switch is in the position shown?
A
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seesaw
Swap points!
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shark
Other team loses 25 points!
Okay!
shark
Other team loses 25 points!
Okay!
thief
Give points!
5
10
15
20
25
15
Which two switches can be open and still allow all of the parts to work?
F
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15
Which change would cause all the bulbs to go out?
A
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15
Which procedure would most likely allow the bulbs to light?
D
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15
With the switches in these positions, which lights are on?
F
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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
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
When the student connects the wires as shown, which of the bells will ring?
G
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15
What will happen is Switch 3 is closed and the other switches are left open?
C
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15
The lightbulb does not glow. Which statement explains this observation?