Which of the following materials is a good conductor?
A) glass
B) copper
C) plastic
D) they are all good conductors
Correct Answer:
Verified
Q28: Which of the following is NOT a
Q29: Which of the following is NOT a
Q32: A(n)_ is the electrical resistance between two
Q32: When a metallic conductor is colder:
A)resistance decreases
B)resistance
Q33: When a conductor is more twisted:
A)resistance decreases
B)resistance
Q35: A material that allows electrons to move
Q37: When a conductor has a smaller cross-sectional
Q39: Current that changes direction in the conductor
Q40: A battery produces
A) alternating current
B) indirect current
C)
Q42: When a switch is turned on,the electric
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