Stand-by power

Determine the annual energy consumption of household appliances left in standby mode. Standby mode means the device runs continuously, consuming a small amount of electricity. Common examples include televisions, electric ovens, radios, computers, monitors, satellite receivers, and Wi-Fi routers.

Calculate the annual energy consumption of 17 appliances in standby mode, each consuming an average of 4 W. What is the value of the consumed electricity if 1 kWh = 0.19 €?

Final Answer:

W =  596 kWh
p =  113

Step-by-step explanation:

P=4 W t=24 365=8760 h W1=17 P t=17 4 8760=595680 Wh W=W1/1000=595680/1000=596 kWh
p=W 0.19=595.68 0.19=113 Eur



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