This picture shows a radiometer. It is designed to be placed in a sunny window. One side of each thin blade of the radiometer is painted black, and the other side is painted white. The Sun's rays strike the blades, and the device begins to spin. The device is powered by which kind of energy? (2009) A. Wind B. Solar C. Electrical D. Geothermal

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Q: MOST energy. Question 46 options: 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 11 12 13…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.