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 procedure will result in only the blue lightbulbs operating?
C
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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 LEDs produce light when the switch is in the position shown?
A
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15
What is it?
Bulb holder
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seesaw
Swap points!
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magnet
Take 25 points!
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rocket
Go to first place!
Okay!
banana
Go to last place!
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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?
0
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15
Which two switches can be open and still allow all of the parts to work?
F
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eraser
Reset score!
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star
Double points!
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rocket
Go to first place!
Okay!
banana
Go to last place!
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15
Is a coin a conductor or insulator?
conductor
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15
Should we use electrical equipment with wet hands?
No
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15
What will happen is Switch 3 is closed and the other switches are left open?