A 25V solar panel will be made up of 400 individual cells, each of which generates 0.25W with an output current of 500 mA.  The panel will be connected to a converter through cables with a total of 0.75 Ohms.   What percentage power loss is due to the cable resistance?

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Solar Cell

A solar cell, or photovoltaic cell, is a device that converts light into electricity directly through a photovoltaic effect, i.e., a physical and chemical event. It is a type of electromagnetic cell, defined as being used for its electrical properties, current, voltage, or resistance, which vary when exposed to light. Everyday cellular gadgets are usually the building blocks of photovoltaic modules, collectively known as solar panels. Single junction silicon solar cell can generate an open circuit of about 0.5 to 0.6 volts.