What are solar panels used for?
Q: What are solar panels used for?
A: Solar panels are used to collect renewable energy from the sun for people to use.
Q: How many types of solar panels are there?
A: There are two types of solar panels: thermal and photovoltaic.
Q: What is the difference between thermal and photovoltaic solar panels?
A: Thermal solar panels collect heat from the sun for space heating and hot water, while photovoltaic solar panels produce electricity from the sun's light.
Q: How did people use the heat of the sun in the 20th century?
A: In the 20th century, people used the heat of the sun to make steam for a steam engine to turn a generator.
Q: Is producing electricity from the sun's light cheaper or more expensive than using steam from the sun's heat?
A: Nowadays, producing electricity from the sun's light is cheaper than using steam from the sun's heat.
Q: Where are home solar panels often mounted?
A: Home solar panels are often mounted on rooftops.
Q: Where are commercial or industrial solar panel installations often located?
A: Commercial or industrial solar panel installations are often on trackers mounted on the ground, which points the panel towards the sun as it moves across the sky.
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