Circuit serie cu rezistor si condensator Flashcards

1
Q

Capacitatea electrica a unui condensator?

A

Este marimea fizica scalara definită prin relația: C=q/U
C-capacitatea electrică a condensatorului
q-sarcina electrică
U-caderea de tensiune

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

a) cazul condensatorului ideal

A

u=Um sin wt
i=Im sin(wt+TL/2)

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

(a.CCI) Reactanța capacitivă

A

Xc=1/Cw
w
|
pulsația

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

(a. CCI) Legea lui Ohm

A

Um=Im•Xc pt valori maxime
U=I•Zc pt valori efective

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

b)cazul condensatorului real

A

tensiunea aplicata la bornele circuitului:u=Um sin wt

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

(b.CCR) legea lui ohm

A

U=√R²+Xc²

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

(b.CCR) Impedanța circuitului

A

Zc=√R²+Xc²

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