2 Flashcards

(10 cards)

1
Q

What is a conductor?

A

A material that allows the flow of electric current.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is an insulator?

A

A material that resists the flow of electric current.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following is a good conductor? (a) Wood (b) Copper (c) Rubber

A

b) Copper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

True or False: Copper is a poor conductor of electricity.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fill in the blank: Carpet is a good __________.

A

insulator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name one property of copper that makes it a good conductor.

A

It has a high electrical conductivity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is one reason why carpet is considered a good insulator?

A

It traps air, which reduces heat transfer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

List two examples of conductors.

A

Copper and aluminum.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

List two examples of insulators.

A

Rubber and glass.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What role does temperature play in the conductivity of materials?

A

Higher temperatures can increase resistance in conductors and decrease insulation effectiveness.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly