Question

which will consume more energy a 600 W refrigerator working for 2 hours or a bulb of 100 W working for 14 hours​

Answer 1

Question

which will consume more energy a 600 W refrigerator working for 2 hours or a bulb of 100 W working for 14 hours​

Answer:

Energy Consumed is expressed in kiloWatt hour (kWh) or what we commonly call as unit

Energy = Power x Time

• (for getting Energy in “kiloWatt hour or unit”, make Power in kilo Watts and Time in Hours).

• So Here,
• Power = 100 Watts or 0.1 kilo Watts
• Time = 2 Hours
• So Energy (in kWh or Unit) = 0.1 kW x 2 hour = 0.2 kWh or 0.2 Unit

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