EDUCATION UGC NET
ENVIRONMENTAL STUDIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Galvanic cells
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Electrolytic cells
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Hydrogen fuel cells
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Solar photovoltaic system
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Detailed explanation-1: -Solar photovoltaic enables the direct conversion of solar energy into electric energy.
Detailed explanation-2: -Photovoltaic cells convert sunlight into electricity A photovoltaic (PV) cell, commonly called a solar cell, is a nonmechanical device that converts sunlight directly into electricity. Some PV cells can convert artificial light into electricity.
Detailed explanation-3: -When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.
Detailed explanation-4: -1) Photovoltaic Solar Panels Photovoltaic (PV) solar panels use the sun’s power to create a flow of electricity. This is the most widely adopted method of harvesting solar energy today.
Detailed explanation-5: -Solar PV systems are power systems that convert sunlight into electricity by utilizing the photovoltaic effect. This is a process in which semiconducting materials generate voltage and current when exposed to light.