Photovoltaic cells develop an emf in the presence of light. Copper oxide and selenium are examples of photovoltaic materials. A microammeter calibrated in lux (lm/m2 ) is connected across the cells and measures the current output.
Photovoltaic cells develop an emf in the presence of light. Copper oxide andselenium are examples of photovoltaic materials. A microammeter calibrated inlux (lm/m2) is connected across the cells and measures the current output.