Célula solar

The video explains how solar cells convert light into electricity using semiconductor materials like silicone. It highlights the process of electron release and current generation. Additionally, it discusses the advancements in technology that have led to improved efficiency of solar cells, which is now approaching 30%.

What is the primary function of a semiconductor material in solar cells?

• To reflect sunlight

• To convert light into heat

• To store electricity

• To convert light into electricity

What happens when light hits a film of semiconductor material?

• It absorbs moisture

• It changes color

• It releases electrons

• It releases heat

What is the role of silicone in solar cells?

• To release electrons

• To reflect sunlight

• To store energy

• To absorb light

How is the efficiency of solar cells changing with technology?

• It is decreasing

• It remains the same

• It is improving

• It is unpredictable

What efficiency percentage are solar cells currently approaching?

• 10%

• 40%

• 20%

• 30%