S14 ED Systèmes capacitifs

S14 ED Systèmes capacitifs

12th Grade

13 Qs

quiz-placeholder

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S14 ED Systèmes capacitifs

S14 ED Systèmes capacitifs

Assessment

Quiz

Physics

12th Grade

Practice Problem

Hard

Created by

Emmanuelle Lhonoré

Used 5+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si on ferme l’interrupteur d’un circuit électrique, les électrons

se mettent en mouvement vers la borne négative.

circulent dans le sens inverse de celui du courant électrique.

stoppent leur mouvement.

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

La loi d’Ohm s’écrit :

U = R ×IU\ =\ R\ \times I

I = URI\ =\ \frac{U}{R}

R = UIR\ =\ \frac{U}{I}

I = RUI\ =\ \frac{R}{U}

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

La relation entre I, Q et Δt est :

I×Δt = QI\times\Delta t\ =\ Q

I = Q ×ΔtI\ =\ Q\ \times\Delta t

I = QΔtI\ =\ \frac{Q}{\Delta t}

IΔt=Q\frac{I}{\Delta t}=Q

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

La loi des mailles sur la maille NPACN donne :

UPN UPAUAC = 0U_{PN}-\ U_{PA}-U_{AC}\ =\ 0

UPN+ UPA +UAC = 0U_{PN}+\ U_{PA}\ +U_{AC}\ =\ 0

UPN = UPA + UACU_{PN}\ =\ U_{PA}\ +\ U_{AC}

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Écrire la loi des mailles sur la maille DBACD.

 UBD + UAB + UAC +UDC = 0U_{BD}\ +\ U_{AB}\ +\ U_{AC}\ +U_{DC}\ =\ 0  

 UBD + UAB  UAC UDC = 0U_{BD}\ +\ U_{AB}\ -\ U_{AC}\ -U_{DC}\ =\ 0  

 UBD + UAB  UAC +UDC = 0U_{BD}\ +\ U_{AB}\ -\ U_{AC}\ +U_{DC}\ =\ 0  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

La loi des nœuds en C donne :

I1 = I + I2I_1\ =\ I\ +\ I_2

I2 = I+I1I_2\ =\ I+I_1

I = I1 + I2I\ =\ I_1\ +\ I_2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Les pôles + et - sont-ils correctement placés ?

Oui, car le sens conventionnel du courant est du - vers le +

Oui, car le sens conventionnel de déplacement des électrons est du - vers le +

Non, car le sens conventionnel du courant est du + vers le -

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