Question

Мощность холодильника 350 вт. холодильник работает в среднем 8 часов в сутки. определить стоимость электроэнергии,израсходованой холодильником за 2 месяца,если ее цена 2 рубля за 1 киловатт-час? ​

Answer 1

Ответ:

336 рублей.

Объяснение:

Вычислим, какую работу выполнит холодильник за 2 месяца:

A=350*30*2*8=168(кВт*ч).

Если 1 кВт*ч стоит 2 рубля, 168 кВт*ч стоят 2*168=336 (рублей).

Answer 2

Calculation of Electricity Cost for the Refrigerator

To determine the cost of electricity consumed by the refrigerator over a period of 2 months, we need to consider the power consumption of the refrigerator and the duration of its operation.

Given: - Power of the refrigerator: 350 W - Average daily operation time: 8 hours - Electricity cost: 2 rubles per kilowatt-hour (kWh)

To calculate the electricity consumption, we can use the formula:

Electricity consumption (in kWh) = (Power of the refrigerator in kW) x (Operation time in hours)

Let's calculate the electricity consumption for a single day:

Electricity consumption for a day = (350 W / 1000) kW x 8 hours = 2.8 kWh

Now, let's calculate the electricity consumption for 2 months (assuming each month has 30 days):

Electricity consumption for 2 months = 2.8 kWh/day x 30 days/month x 2 months = 168 kWh

Finally, let's calculate the cost of electricity consumed by the refrigerator:

Cost of electricity consumed = Electricity consumption x Electricity cost per kWh = 168 kWh x 2 rubles/kWh = 336 rubles

Therefore, the cost of electricity consumed by the refrigerator over a period of 2 months, considering the given parameters, would be 336 rubles.

Please note that the above calculation is based on the provided information and assumptions. Actual electricity consumption may vary depending on various factors such as the efficiency of the refrigerator and variations in daily operation time.