Solar Panels For Homes

Sun is the most powerful source of energy in our solar system and it is the basic source of all forms of energy that we use in our daily life. Yet direct solar energy is one of the least used sources although it is abundantly available on most parts of the earth. The energy from sun drives the water cycle which powers or hydroelectric power and it is the source behind coal and petrochemicals which contribute as the major sources of energy that we use. It also powers the product life from which the fortune arises.

The infinite energy of sun can be used by installing or making your own solar panels at home. Along with other benefits with this small investment you can save significant money on your electricity bills for years to come and at the same time contributing your share to keeping the environment clean and setting up a better future for the coming generations. During the last few years many people around the world have harnessing this cleanest form of energy but still its use remains far less than its potential.

Even the home made panels can be used to power your appliances like TV and the computer. You can do all this by making your own solar panels at home. They can be made at home within a day or two in a few hundred dollars. With simple instructions and basic supplies available at home you can make your contribution to saving the environment while completing a fun and highly useful project.

Most of the equipment required for making your own solar panels at home are already available in most of the homes like drills and soldering guns. Although you will also need to buy some supplies from your local hardware store like solar cells, plastic sheets and inverters and wires. The hardware also depends on the type of solar panels that you will decide to make.

For you making your own solar panels at home is a moderately simple task if you have basic carpentry skills. You may need the help of some of your family members which is an added advantage as you will be able to spend some quality time with your family working on a good cause.

Doing all the work yourself and making your own solar panels at home has another big advantage as they will save you a ton of money because the ready made solar panels are very expensive. The ready made solar panels are of same quality as the homes made solar panels and will produce the same amount of energy.

A small 36 cell panel can be made within a weekend and it will be able to power your laptop and some other small appliances and can last up to 25 years without any major repairs. Imagine showing someone your panels 25 years from now that you made to the investment a few hundred dollars and a weekend.

This is the time to be a part of the revolution and start making the changes on the individual level that will save our planet from further degradation in the coming years.

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Thermodynamics question – seems really easy? Help ASAP please?

The PV diagram for an ideal gas is shown in the figure above (I have included a description of the points on the graph below).

Point A to Point B: W = (4 atm)(3 L) = 12 L*atm
Point B to Point C: W = 0 L*atm
Point C to Point A: W = nRT ln (Vf/Vi)
To use this equation, you need to find the number of moles using the equation PV=nRT for either P1 or P2 (they should work out to the same thing):
(4 atm)(1 L) = n(0.0821 L*atm/mol*K)(200 K)
n=0.2436 moles

W = nRT ln (Vf/Vi) = (0.2436 moles)(0.0821 L*atm/mol*K)(200 K)ln(1/4) = -5.545 L*atm

12 L*atm – 5.545 L*atm = 6.45 L*atm
6.45 L * atm = 654 J