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OE - 2021 - 04 - Električni otpor

Authored by Mirko Martinović

Science

9th Grade

Used 5+ times

OE - 2021 - 04 - Električni otpor
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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jedinica za električnu otpornost je

KK  

Ωm2\Omega m^2  

Ωm\Omega m  

Ω\Omega  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koji vodič će imati veći otpor?

Dulji

Kraći

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Koji vodič će imati veći otpor?

Većeg presjeka

Manjeg presjeka

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ovisi li otpor vodiča o materijalu od kojega je vodič napravljen?

Ne ovisi

Ovisi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kojom formulom određujemo otpor vodiča?

R= l⋅PSR=\ l\cdot\frac{P}{S}  

R=ρ⋅lSR=\rho\cdot\frac{l}{S}  

R=ρ⋅SlR=\rho\cdot\frac{S}{l}  

R=δ⋅l2SR=\delta\cdot\frac{l^2}{S}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

ρ nam je oznaka za\rho\ nam\ je\ oznaka\ za  

Otpor

Otpornost

Vodljivost

Propusnost

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oznaka kojom označavamo električnu provodnost je

Φ\Phi  

ρ\rho  

KK  

Θ\Theta  

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