10
QuizMultiple Choice

Electricity and Magnetism — Test

Question 10 • Physical Science

Cora, an electrician, wraps a copper wire with a thick plastic coating. What is she most likely trying to do?

Answer
A
decrease the wire’s resistance
B
increase the voltage produced by the wire
C
keep the electric potential of the wire balanced
D
keep a current from passing out of the wire
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Cora, an electrician, wraps a copper wire with a…