Question: please help 2. A p-n junction can work as a solar cell, a diode (i.e., a switch) and a Light Emitting Diode (LED). Briefly describe

please help

2. A p-n junction can work as a solar cell, a diode (i.e., a switch) and a Light Emitting Diode (LED). Briefly describe the working principle and the setup of using the p-n junction for these three different applications. [12 marks]

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