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15
×
What results from movement, magnetism and electric current?
Electromagnet field formed
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15
×
What natural sources can be used for mechanical energy?
Falling water, turbines in wind, high pressure steam
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15
×
What do DC and AC stand for?
Direct and alternating current
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15
×
What is a DC produced by? Batteries OR generators
Batteries
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15
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What is current?
Flow of electrons
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15
×
What is the name of the rule that helps tell the direction of force acting on a wire?
Flemings left hand rule
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trap
No points!
Oops!
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gift
Win 15 points!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
Oops!
15
×
What is the advantage of an electromagnet?
Switch on and off
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15
×
Does DC flow in one direction or both directions?
One direction
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banana
Go to last place!
Oops!
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shark
Other team loses 20 points!
Okay!
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fairy
Take points!
5
10
15
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25
×
baam
Lose 25 points!
Oops!
15
×
To increase the size of an induced current we can ___________. Increase the number of coils? True or false
True
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baam
Lose 20 points!
Oops!
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shark
Other team loses 10 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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banana
Go to last place!
Oops!
15
×
A generator converts _______ energy into _____ energy. Mechanical to electrical OR chemical to electrical
Mechanical to electircal
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15
×
If a wire moves parallel to a magnetic field, will it produce a current? Yes or No
No
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15
×
An electric motor converts ________ energy to __________ energy. Electrical to mechanical OR thermal to mechanical
Electrical to mechanical
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baam
Lose 10 points!
Oops!
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shark
Other team loses 25 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
thief
Give points!
5
10
15
20
25
×
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