Solar Photovoltaic Systems Introduction Quiz

What is the main purpose of a solar photovoltaic system?

To convert solar energy into electrical energy

When were solar cells first seriously considered?

After the oil crisis of 1973

What is the typical efficiency range of solar cells?

10–20%

What is the main advantage of solar PV systems in terms of maintenance?

They are almost maintenance free Signup and view all the answers

What is the potential difference and current density of a solar cell in full solar radiation?

Potential difference of 0.5 V and a current density of 200 A per sq. m Signup and view all the answers

What are some major uses of solar PV systems?

Space satellites, remote radio communication booster stations, and marine warning lights Signup and view all the answers

What are the disadvantages of solar cells?

High costs, low efficiency, intermittent energy, and the need for electrical energy storage Signup and view all the answers

What are the types of impurities used in P-type and N-type semiconductors for solar cells?

P-type: Boron (B), N-type: Phosphorus (P), Arsenic (As), Antimony (Sb), Bismuth (Bi) Signup and view all the answers

What are the advantages of monocrystalline solar cells?

High efficiency (15-20%), less space requirement, long lifespan, and better performance in low sunlight Signup and view all the answers

What are the disadvantages of monocrystalline solar cells?

High cost, performance loss with increased temperature, and waste material during manufacture Signup and view all the answers

When were polycrystalline solar panels first introduced to the public?

1981 Signup and view all the answers

What is the advantage of the manufacturing process of polycrystalline cells over monocrystalline cells?

Cheaper and easier manufacturing process, and avoids silicon waste Signup and view all the answers

What are the disadvantages of polycrystalline solar cells?

Lower efficiency (13-16%) and lower output rates Signup and view all the answers

What is the reason behind the large area requirement for solar cell modules?

Solar radiation density is low Signup and view all the answers

Why is some kind of electrical energy storage required for solar energy?

To ensure the availability of power in the absence of sun Signup and view all the answers

What is the main drawback of polycrystalline solar cells in terms of silicon purity?

Low levels of silicon purity Signup and view all the answers