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Questions and Answers
What is a common feature of emergency call boxes located in remote areas?
What is a common feature of emergency call boxes located in remote areas?
- They are frequently powered by solar panels. (correct)
- They are connected to the electrical grid.
- They rely on wind turbines for power.
- They require constant maintenance.
How are emergency call boxes designed in terms of serviceability and longevity?
How are emergency call boxes designed in terms of serviceability and longevity?
- They are easy to service and have a short lifespan.
- They have a short lifespan due to the use of solar panels.
- They are hard to service and built to last for a long time. (correct)
- They require frequent maintenance to remain operational.
What is necessary for solar panels to last as long as the electronics connected to them?
What is necessary for solar panels to last as long as the electronics connected to them?
- Limited exposure to sunlight.
- Frequent replacement of components.
- Regular cleaning to remove dust and debris. (correct)
- Exposure to extreme weather conditions.
What can cause eventual corrosion in a solar panel's wires and circuits?
What can cause eventual corrosion in a solar panel's wires and circuits?
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Why could solar panels in a dry place with well-built electronics continue providing power for a century?
Why could solar panels in a dry place with well-built electronics continue providing power for a century?
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