Question bank: Electricity: Conductors and Insulators

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Question 1:

Easy

Which of the properties below is not found in insulating materials?

Electricity: Conductors and Insulators

Question 2:

Easy

Which materials conduct electric current more easily?

Electricity: Conductors and Insulators

Question 3:

Medium

An electrician is planning the electrical installation of a house and needs to choose the appropriate materials to ensure safety and efficiency in the power supply. He comes across three materials: copper, plastic, and glass. a) Describe the properties of the materials in relation to electrical conductivity that make them conductors or insulators. b) Based on the properties analyzed, indicate which material he should choose to perform the electrical wiring of the house and why. c) Explain why it is important to use insulating materials around conductors in an electrical installation and give an example of a situation where the use of insulators contributes to safety.

Electricity: Conductors and Insulators

Question 4:

Medium

One can find various insulating and conducting materials in electrical circuits. To determine the function each material will perform, it is necessary to evaluate their characteristics. What sets insulators apart from conductors?

Electricity: Conductors and Insulators

Contextualized Question

Question 5:

Medium

João is conducting an experiment in his Physics laboratory and needs to understand how conductors and insulators influence the passage of electric current. He has five materials available: A - glass, B - rubber, C - aluminum, D - plastic, and E - copper. Considering the properties of the materials, indicate which set represents only the electrical conductors among these materials.

Electricity: Conductors and Insulators

IARA TIP

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