Question
Sam, an electrician, wraps a copper wire with a thick plastic coating. What is he most likely trying to do?
a- decrease the wire’s resistance
b- keep a current from passing out of the wire
c- increase the voltage produced by the wire
d- keep the electric potential of the wire balanced
a- decrease the wire’s resistance
b- keep a current from passing out of the wire
c- increase the voltage produced by the wire
d- keep the electric potential of the wire balanced
Answers
b- keep a current from passing out of the wire
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