Electric Fields Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is an electric field?

A

A region of space in which a charge experiences a non-contact force.

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

State Coulomb’s law of electric force.

A

The electrostatic force is proportional to the product of the charges involved and inversely proportional to the distance between them squared.

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

What is the equation for electric force?

A

F = KQQ/r²

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

If a particle is positively charged, where is the direction of force going?

A

Away from the centre.

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

If a particle is negatively charged, where is the direction of force going?

A

Towards the centre.

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

What is Electric field strength?

A

The force per unit charge acting on a small charge placed at that point in the field.

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

What is the equation for electric field strength?

A

E = F/q

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

What is the equation for electric field strength at a point r?

A

E = KQ/r²

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