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Kigali training - ACES

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Module 1 - Quiz

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1. What is electricity?
Movement of electric charges in a conductor Lighting of incandescent lamps Voltage variation Attraction or repulsion of metallic objects
2. For a series connection of solar panels, how does the total circuit voltage behave?
It is the sum of the voltages of each panel It is the sum of the currents of each panel It is the difference between the highest and lowest voltage in the circuit It is the voltage of one panel divided by the total number of panels
3. What is the principle of the photovoltaic effect?
Transforming the Sun’s heat into electricity Transforming the Sun’s light into electricity Transforming electricity into light Accumulating light to heat water
4. Why is solar energy considered renewable energy?
Because it uses recyclable materials Because it regenerates naturally and does not deplete on a human timescale Because it works only in summer Because it produces more energy than it consumes
5. What is one of the challenges related to using solar energy?
Solar electricity cannot be stored Solar panels work better in the rain Storing solar energy requires batteries or an adapted grid Solar energy cannot be used in urban areas
6. Which type of solar panel offers the highest efficiency?
Monocrystalline Polycrystalline Amorphous None, they all have the same efficiency
7. In the characteristics of solar panels, what does Icc indicate?
Continuous charging current Maximum overload current Short-circuit current Maximum charging current
8. What is the primary role of a charge controller?
Increase the battery voltage Control the voltage and current sent to the battery Convert direct current to alternating current Replace the battery in case of failure
9. Which of these batteries has a long lifespan?
Lead-Acid Gel AGM Lithium-ion
10. What is the main characteristic of an off-grid system?
Operates independently from the electrical grid Combines solar energy with another energy source Connected to the public power grid Allows selling excess energy