When the oven door is closed, the electrical circuit is closed and the oven works. Electromagnetic

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There are still no scientifically based knowledge that any level of exposure to microwave radiation is absolutely safe. Accordingly, the use of microwave ovens is the risk to which we consciously decide (as well as the use of other technological advances, such as cell phones, wireless computer networks, beach wreath remote to open the car door and many others.) beach wreath Everyone beach wreath I must assess the risk and decide whether to use a microwave oven or not. Anyone who decides to use the oven must be aware that the way you use the oven closely associated with the level of security. So read the text below.
Microwave operates on the principle of microwave energy - electromagnetic radiation that occurs as a physical phenomenon that occurs the flow of electrical current through a conductor. When cooking beach wreath in a conventional oven, gas or electricity used to heat the air inside the oven, and then hot air transfers heat to foods that are cooked. The heat is transferred from the surface of foods according to its interior. Microwave beach wreath ovens heat food in a completely different way - to prepare food using microwave beach wreath energy. In a microwave beach wreath oven special device, called. magnetron, converts electrical energy into energy beach wreath of microwave radiation whose frequency is 2450 MHz and power 500-1000 W. External parameters, ramp time and energy levels are adjusted by pressing beach wreath the button for different operations (defrost, reheat, heating, cooking) and for different foods according to the manufacturer's instructions.
When the oven door is closed, the electrical circuit is closed and the oven works. Electromagnetic waves are directed through the guides on the oven designed for placing food. Energy microwave radiation absorbed by water molecules contained in the foods, it causes a rapid vibration and heat the water in the food, while at the same time the air around these foods not heated. When cooking in a microwave oven, the microwaves penetrate the food and encourage flickering water and fat molecules. beach wreath Heat in this case does not have to "travel" to unutrašnjnosti, it is everywhere at once because all molecules vibrate at the same time. Sometimes microwaves can prodirijeti unevenly beach wreath in large pieces of food (do not penetrate through to the middle), and there are "hot spots" due to the interference of waves (two waves reinforcing). The motion of molecules and friction heats the food exposed to microwaves.
They have limited energy potential and do not cause changes in the structure of matter. Molecules of substances vibrate and rub each other causing only thermal effect. Microwaves beach wreath cause physical changes, beach wreath but has not been proven to cause the chemical changes in the structure of foods. Microwaves are in the oven does not disperse evenly and therefore is in the oven inbuilt fan that reflected waves throughout the oven, most models and swivel stand that is used to schedule homogenous microwave. So some waves directly and others indirectly refusal of walls penetrate the food.
Standard microwaves with a power of 1000 W. Of these, about 700 W of waste to electromagnetic radiation, and 30% is converted into heat and a special air cooling system drains into the environment. The oven door usually glass, and stuck them on a fine mesh of conductive material which does not allow the passage of microwaves relatively long wavelengths, while at the same time lets the light (electromagnetic radiation of much shorter wavelength).
When conscientious and proper beach wreath use of microwave oven health beach wreath risks are minimal (by knowledge). The danger arises when the improper use or faulty when using microwaves. It is especially important to pay attention to the accuracy of the oven door to clean the inside of the oven and do not include the tub is empty or open. Through the oven door that can not be good can come close to 'leak radiation'. Injuries beach wreath that are most likely to occur when using microwaves are similar to those when using conventional gas and electric oven. Burns occur when careless handling of hot amenities, burns from steam explosion of content which