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Legile Curentului Electric Staționar. Partea II
6 Questions
|
By Angelareulet | Updated: May 16, 2020
| Attempts: 21
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1.
1 kW · h este egală cu lucrul efectuat de curentul electric timp de o oră la o putere egală cu 1 kW
Adevărat
Fals
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2.
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2.
KiloWattOră este o unitate de măsură a
Timpului
Tensiunii electrice
Energiei electrice
Puterii electrice
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3.
Energia electrică
W=IUt
W=IU/t
W=I2Rt
W=I2/Rt
W=U2t/R
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4.
Puterea electrică
P=I/U
P=IU
P=I2R
P=U2/R
P=U2R
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5.
Puterea electrică se poate măsura cu multimetrul
Adevărat
Fals
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6.
Câtă energie electrică consumă un rezistor (cu rezistenţa R=55W, intensitatea I=0,2A) în timp de 30 minute?
198J
1980
19800J
198000J
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1 kW · h este egală cu lucrul efectuat de curentul...
KiloWattOră este o unitate de măsură a
Energia electrică
Puterea electrică
Puterea electrică se poate măsura cu multimetrul
Câtă energie electrică consumă un rezistor (cu rezistenţa...
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X
OK
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