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Posts tagged total
WITH SOLAR PANELS, WHAT IS THE DIFFERENCE BETWEEN PRICE PER WATT AND THE TOTAL COST OF THE PANEL?
Dec 7th
Question by Cameron:
With solar panels, what is the difference between price per watt and the total cost of the panel?
When you are purchasing massive quantities of photovoltaic solar panels, they are priced as the overall cost, and then a price per watt. What is the difference, and how does the price per watt relate to the overall performance?
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WHAT TOTAL SOLAR CELL AREA WOULD YOU NEED TO PROVIDE ENERGY NEEDS? MASTERING PHYSICS PROBLEM?
Aug 3rd
Question by Jokers Finest:
What total solar cell area would you need to provide energy needs? Mastering Physics problem?
Solar cells convert the energy of incoming light to electric energy; a good quality cell operates at an efficiency of 15%. Each person in the United Says uses energy (for lighting, heating, transportation, etc.) at an average rate of 11 kilowatts . Even though sunlight varies with season and time of day, solar energy falls on the United Says at an average intensity of 200 W/m^2.
Assuming you live in an average location, what total solar-cell area would you need to provide all of your energy needs with energy from the sun?
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LED – TRADITIONAL WARM INCANDESCENT COLOR – MINI ICE ICICLE CHRISTMAS LIGHTS – 70 LED BULBS IN TOTAL – WHITE WIRE – 15 DROPS – 7.5 FT. – SHL LED70ICEWW
Jun 10th
Product Description
Superior Holiday Lighting LED70ICEWW – Product Description LED Mini Ice Icicle Lights, Wattage 4.8 Watt, Voltage 120 Volt, Amperage 0.04 Amp, Bulb Color Warm White, Bulb Spacing 3 in., Bulbs Per String 70, Drop Lengths 18, 15, and 9 in., Drop Spacing 6 in., Lead Length 4 in., Maximum Connections 3 Sets… More >>
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Lowest Price Online:
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GOLDMASTER SOLAR POWER ANTI-MOSQUITO KEYCHAIN REPELLANT REPELS MOSQUITOES ANY PLACE, EITHER INDOORS OR OUTDOORS, IN DIM LIGHT OR IN TOTAL DARKNESS!
Jun 1st
- A full charge can give you 60 hours of using time
- Power: Built-in (1.2V) rechargeable battery
- Once charged, this one-of-a-kind device can protect you against mosquitoes attack by emitting specially calibrated ultra-sonic high frequency sound
- No smell and causes no harm to human beings, pets and animals
- Dimensions: 5.2 x 2.9 x 0.8cm
Product Description
This Anti-Mosquito key chain produces a high-frequency sound wave that can repel mosquitoes away within a 14 radius. Powered by a built-in rechargeable solar system, when fully charged in direct sunlight or under incandescent light, it repels mosquitoes for 3-4 hours. On/Off switch means you can charge and save for when its required.
An odorless and dry substitute to lotions or aerosol sprays, the Anti-mosquito Guard is your ideal companion for camping, hunting, fishing, farming, and other outdoor activities.
Features:
Power: Built-in (1.2V) rechargeable battery
No Battery Needed , powered by the inexhaustible solar energy
Easy to use; simple to carry around; combined with high-quality key ring
No smell … More >>
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Lowest Price Online: $4.99
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