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A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating .
A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water. Microwave ovens became common kitchen appliances in Western countries in the late 1970s, following the development of less expensive cavity magnetrons. Water in the liquid ...
The Magic Chef name was so successful as an oven and stove brand that American Stove Company changed its name to Magic Chef, Inc. in 1951. [ 2 ] [ 3 ] [ 4 ] The company remained well known for its gas stoves , but attempts to spread the brand to other household appliances were unsuccessful.