QQuestionPhysics
QuestionPhysics
Which item is the best example of a conductor?
A. Rubber utility gloves
B. An extension cord
C. A plastic handle on a tool
D. A metal rod buried in the dirt
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Answer
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Step 1:I'll solve this problem step by step, focusing on electrical conductivity:
Step 2:: Understand Conductivity
Conductivity is the ability of a material to allow electric current to flow through it. Good conductors have electrons that can move freely, typically metals with loosely bound outer electrons.
Step 3:: Analyze the Options
A. Rubber utility gloves: Rubber is an insulator - Rubber has tightly bound electrons - Prevents electrical current from flowing - Used specifically to protect against electrical shock B. An extension cord: Contains metal wires inside - Metal wires (typically copper) are excellent conductors - Allows electricity to flow easily - Designed to conduct electrical current C. A plastic handle on a tool: Plastic is an insulator - Plastic molecules have tightly bound electrons - Prevents electrical current from flowing - Used to provide electrical safety D. A metal rod buried in the dirt: Metal is a conductor - Metal conducts electricity - However, dirt can vary in conductivity depending on moisture
Step 4:: Identify the Best Conductor
The best conductor in this list is the extension cord, which contains metal wires specifically designed to transmit electrical current.
Final Answer
An extension cord
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