Which of the following is a benefit of using "Photovoltaic cells"?

The correct answer is Option 2: Useful for areas where installation of power lines is costly

Explanation:

• Photovoltaic cells (solar cells) convert solar energy into electrical energy, not the other way around, so the first option is incorrect.
• They are useful for areas where installing power lines would be expensive or impractical, which is one of their significant benefits.
• While photovoltaic cells do not cause any pollution.