Batteries have much lower specific energy than common fuels. In automobiles, this is somewhat offset by the higher efficiency of electric motors in converting chemical energy to mechanical work
A solar cell,converts the energy of light directly into electricity.In a sollar,the current,voltage,or resistance,vary when exposed to light.
An inverter is an electric apparatus that changes direct current to alternating current. When connected, an inverter allows these devices to provide electric power for small household devices.
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