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kodGreya [7K]
3 years ago
9

Suppose your electric lights use 500 watts per hour and average four hours per day, every day for one year. How many kWh per yea

r does this represent?
Advanced Placement (AP)
1 answer:
miskamm [114]3 years ago
4 0
First, convert watts to kilowatts.

500w/1000= .5 kW per hour

.5*4 hours= 2kwh*365 days= 730 kWh

The answer is 730 kwh per year
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Answer:

Yes

Explanation:

Considering the following conditions;

1. Efficiency and Reliability

2. Availability of Resources

3. Emissions

4. Generating Electricity

Weighing nuclear energy and fossil fuels base on the above factors, nuclear energy represents a preferable option

1. Resources Availability

Uranium which is one of the most readily available source of energy is the major energy of nuclear energy and it's renewable and can be reprocessed.

While Fossil Fuels are non-renewable.

2. Emissions:

When electricity is being generated, nuclear energy is much more cleaner than Fossil energy.

3. Efficiency and Reliability:

As mentioned above, uranium powers the nuclear energy. Uranium atom can be splitted to form a nuclear energy, leading to a chain reaction called nuclear fission.

Organic reminants of plants and animals led to the formation of fossil fuels.

4. Generating Electricity

Both nuclear and fossil fuel power plants produce electricity the same way but the resources of fossil fuels is limited.

8 0
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