Elektromagnetizam Flashcards

1
Q

električni naboj je _____

A

kvantiziran

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

može li se elektroskopom utvrditi o kakvom naboju se radi?

A

ne

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

Coulombov zakon

A

F = 1/(4πε_0 ε_r ) × (Q_1 Q_2)/r^2

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

permitivnost u vakuumu i zraku

A

vakuum: ε_r = 1
zrak: ε_r ≈ 1

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

jakost električnog polja

A

E = F/q = U/d

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

kako se krecu silnice u pozitivnom naboju

A

iz pozitivnog naboja

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

kako se krecu silnice u negativnom naboju

A

u negativni naboj

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

koliko iznosi električno polje unutar nabijene metalne kugle

A

0

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

gdje je najveća jakost elektricnog polja kod nabijene metalne kugle

A

na površini

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

E kod homogenog električnog polja

A

E=U/d

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

električna potencijalna energija

A

E=qEr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

električni potencijal

A

φ=Ep/q

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

električni napon

A

U = Δφ = ΔEp/q = W/q

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