2. s - Elektrodinamika

2. s - Elektrodinamika

10th Grade

20 Qs

quiz-placeholder

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2. s - Elektrodinamika

2. s - Elektrodinamika

Assessment

Quiz

Physics

10th Grade

Hard

Created by

Gordana Divić

Used 4+ times

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20 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Električna struja je ________________ (kakvo) gibanje slobodnih elektrona.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakost električne struje označavamo slovom:

A

E

I

O

U

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Jakost struje mjerimo kojim mjernim jedinicama?

(dva točna odgovora)

A

I

C/s

s/C

N/C

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kolika količina naboja proteče vodičem tijekom 10 sekundi ako je jakost struje u tom vodiču 5A?

0.5 C0.5\ C

5 C5\ C

50 C50\ C

500 C500\ C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ohmov zakon u mikroskopskom obliku glasi:

U=S v e nU=S\ v\ e\ n

I=S v e nI=S\ v\ e\ n

U=S t I v e nU=S\ t\ I\ v\ e\ n

I=S t v e nI=S\ t\ v\ e\ n

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koja od navedenih formula NIJE ispravna:

R=U IR=U\ I

R=ρ lSR=\rho\ \frac{l}{S}

R=1σ lSR=\frac{1}{\sigma}\ \frac{l}{S}

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

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Što od navedenoga NIJE istina za otpor vodiča?

(dva ispravna odabira)

Otpor nastaje zbog sudara slobodnih elektrona s atomima kristalne rešetke vodiča.

Otpor ovisi o duljini i presjeku vodiča.

Otpor ovisi o naponu i jakosti struje.

Otpor ne ovisi o temperaturi.

Otpor ovisi o vrsti materijala vodiča.

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