3. 1 The sun’s radiation results from the intense pressure and heat at its core, which creates a nuclear reaction called ________.  a. Fission b. Fusion c. Radiation d. Energy   3.2 A(n) ________ system is a photovoltaic system that creates AC electricity for use by a building but it is not connected to the utility’s electrical power grid a. Interconnected b. Stand-alone c. Interactive d. Backup 3.3 A ________ solar electric system is a system designed to provide power to a large number of businesses and homes just like traditional fossil fuel power plants.  a. Stand-alone b. Utility-scale c. Off-grid d. Backup   3.4 Photovoltaic ____________ create specialized components used in the photovoltaic system such as  the PV cells and modules. a. Manufacturers b. Distributors c. Integrators d. Consumers

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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.