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How Solar Panels Work

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Questions and Answers

What is the process by which solar panels convert sunlight into electricity?

Thermal effect
Electrochemical reaction
Electromagnetic induction
Photovoltaic effect (correct)

What is the primary material used to make photovoltaic cells in solar panels?

Copper
Aluminum
Silicon (correct)
Stainless Steel

What is the purpose of the inverter in a solar panel system?

To convert AC to DC
To convert DC to AC (correct)
To store excess energy
To amplify the electric current

What is a benefit of using solar panels as an energy source?

Reduced electricity bills (B) Signup and view all the answers

Why is solar energy considered a sustainable energy source?

Because it is abundant and inexhaustible (C) Signup and view all the answers

What is a characteristic of solar panels in terms of maintenance?

They require minimal maintenance (B) Signup and view all the answers

What is an environmental benefit of using solar energy?

Reduced greenhouse gas emissions (C) Signup and view all the answers

What is an advantage of solar panels in terms of installation?

They are versatile and can be installed in various structures (C) Signup and view all the answers

What happens when sunlight hits the photovoltaic cells in a solar panel?

The cells absorb sunlight and excite electrons, causing them to flow and create an electric current (B) Signup and view all the answers

What is the type of current generated by the excited electrons in a solar panel?

Direct current (DC) (B) Signup and view all the answers

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