ECM346_W3

ECM346_W3

University

10 Qs

quiz-placeholder

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ECM346_W3

ECM346_W3

Assessment

Quiz

Education

University

Practice Problem

Easy

Created by

Diana Hanapi

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Electrical conductors allow electric current to pass through them easily.

TRUE

FALSE

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Electrical insulator, which means it does not allow electric current to flow freely and is used to prevent electric shocks

TRUE

FALSE

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following materials is an electrical insulator?

Copper

Aluminum

Plastic

Silver

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the main purpose of using insulating materials in electrical wiring?

To increase current flow

To make the wire stronger

To prevent electric shock

To conduct electricity faster

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these materials is commonly used as an insulator in household items?

Steel

Gold

Rubber

Mercury

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of a power cord is usually made of a conducting material?

Outer plastic coating

Inner rubber layer

Metal wire inside

Insulating tape

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Why is copper often used in electrical wiring?

It is a good insulator

It is cheap and light

It conducts electricity well

It doesn’t rust easily

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