Generating Electricity and Transformers
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Assessment
•
Nurul Rahim
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Science, Physics
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9th - 10th Grade
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14 plays
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Medium
Student preview
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13 questions
Show answers
1.
Multiple Choice
A transformer changes
energy
frequency
power
voltage
2.
Multiple Choice
The core of the transformer is made of
copper
gold
iron
silver
3.
Multiple Choice
In a fossil-fuel power station, the overall energy conversion is
chemical to heat
chemical to electrical
heat to kinetic
heat to electrical
4.
Multiple Choice
Which of the following does a transformer work with?
Alternating current only
Direct current only
Both alternating current and direct current
5.
Multiple Choice
Why is electricity transmitted at high voltages?
to reduce energy loss
to power more appliances
to be less dangerous to humans
to be less prone to fires
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