Q4.
a) Sketch a cross section of a silicon solar cell and name
different layers. [7 marks]
b) Draw an equivalent circuit of a solar cell and give brief
explanations of each element. [7 marks]
c) A Si solar cell has a short-circuit current of 50 mA and an
open-circuit voltage of 0.5 V under full solar illumination. The
fill factor is 0.5. What is the maximum power delivered to a load
by this cell? [6 marks]
Q4. a) Sketch a cross section of a silicon solar cell and name different layers. [7 marks] b) Draw an equivalent circuit
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