How do you use a solar cell?

Connect the solar cell with the electric motor and a DMM to measure current. Record the solar cell current and observe the turn speed of the propeller of the electric motor. Without changing the desk lamp and solar cell distance, cover the solar cell with a blue filter.

How do solar cells work?

Working Principle: The working of solar cells involves light photons creating electron-hole pairs at the p-n junction, generating a voltage capable of driving a current across a connected load.

How a solar cell works based on photovoltaic effect?

The working of solar cell is based on photovoltaic effect. It is a effect in which current or voltage is generated when exposed to light. Through this effect solar cells convert sunlight into electrical energy. A depletion layer is formed at the junction of the N type and P type semiconductor material.

Who invented solar cells?

In 1883, Charles Fritts described the first solar cells made from selenium wafers. In 1905, Albert Einstein published his paper on the photoelectric effect. In 1914, the existence of a barrier layer in photovoltaic devices is noted.5 In 1916, Robert Millikan provided experimental proof of the photoelectric effect. In 1954,

What factors affect the operation of a solar cell?

Describe the construction and operation of the PV cell. Enumerates the different factors that may affect the operation of the PV cell. Solar cells are generally made from semiconducting materials, which are sensitive to structural and environmental factors, e.g, the light intensity, which depends on the power delivered by the solar cell.

How did a solar cell 'Violet' work?

cells. This was achieved by decreasing the internal resistance of the cell to about 0.05 ohms, improving the charge carrier collection process, and increasing the cells "blue" response. The resulting solar cell "Violet" cell. also known as the edge-illuminated multijunction cell. This device was unusual in that it was of a "layer cake."