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Science Bowl Question

📅 NSB 2011🎓 MS🔄 Round 7#️⃣ Question 8❓ TOSS-UP📝 Multiple Choice

Which of the following best describes the composition of polycrystalline silicon solar panels?

W) A piece of semi-conducting material with a thin silicon film over the top
X) One continuous sheet of silicon with a backing of metal-conducting material
Y) Lots of individual PV cells that have a backing of metal-conducting material
Z) Strips of silicon form the PV cells that have a backing of metal-conducting material
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