8180526
Beschreibung
Quiz von Nursultan Zhakupov, aktualisiert more than 1 year ago
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Erstellt von Nursultan Zhakupov
vor etwa 7 Jahre
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Frage 1
Frage
An electric heater uses 60 kJ of electrical energy in five minutes. What is the power rating of the heater?
Antworten
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720 kW
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12 kW
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1.2 kW
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200 W
Frage 2
Frage
A small heater has a rating of 15V, 4A. How much energy does it consume if it is turned on for two minutes?
Antworten
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7.5 J
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120 J
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450 J
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7200 J
Frage 3
Frage
Figure shows the electrical information of an electrical appliance.
(a) What is the current generated if the casserole is turned on at normal operating voltage of 230V and a power of 1400 W?
Antworten
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0.16 A
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6.1 A
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28 A
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322 A
Frage 4
Frage
(b) How much electrical energy is consumed for one month (30 days), if the casserole is turned on for 2 hours everyday?
Antworten
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2.8 kJ
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42 kJ
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84 kJ
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302 MJ
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