JUST FOR FUN IG
| Front | What is a solar cell? |
| Back | Semiconductor device converting light energy directly into electricity. |
| Front | Difference Between Silicon And Germanium? |
| Back | Silicon: band gap 1.1 eV, stable at high temps. Germanium: band gap 0.66 eV, sensitive to temperature. |
| Front | What is rectification? |
| Back | Conversion of AC (alternating current) to DC (direct current) using diodes. |