Can Watet Decrease A Substance To The Flow Of Electricty Microwave Oven Magnetron

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Microwave Oven Magnetron

The core of the voltage system in the microwave oven, which generates microwave energy from the electric current, is called the microwave magnetron. It is an electron tube that produces the necessary 2450 MHz of microwave energy that cooks food.

The operation of the microwave oven’s magnetron is based on the theory that the energy generated by the movement of electrons under the combined effect of magnetic and electric fields can be used to cook food. Electrons must flow from the cathode end to the anode end for the tube to work. It produces radio frequency energy that is emitted into the oven where it is absorbed by the food.

The tube uses a half-wave voltage doubler circuit and permanent magnets to oscillate and convert the voltage into microwave energy at a cooking frequency of 2450 MHz. A microwave oven typically requires 1100W of electricity to generate 700W of microwave energy.

Microwave heating is more effective for liquids such as water, especially frozen water, than for sugars and fats. It is a misconception that a microwave oven cooks food from the inside. In contrast, microwaves are absorbed by the outer layers of food. Microwaves produce a deeper initial heat than other methods because microwaves penetrate non-conductive dry matter on the surface of common foods. The depth of microwave penetration depends on the composition of the food and the microwave frequency – lower microwave frequencies penetrate better.

Although there is no change in radiation intensity during cooking, the magnetron, powered by a linear transformer, turns off and on in cycles of a few seconds at a time.

It is important that the food is present in the microwave oven when it is in operation so that it can absorb the microwaves. If there is no food, the waves will reflect into the wave field and cause sparks due to their strength. If the arc continues for a long time, the magnetron itself may be damaged.

Modern microwave ovens are equipped with a center plate that rotates to heat the food evenly from all sides. This plate has the ability to absorb microwaves, which allows heating of smaller quantities and prevents arcing that causes resonant reflections.

Exposure to microwave radiation involves certain risks to the human body. The lens of the eye has no cooling blood flow, making it more likely to be damaged by overheating when exposed to microwave radiation. A microwave oven with a bad seal or a twisted door can prove dangerous.

Because microwave ovens require a fairly high voltage power supply, they can be dangerous due to electric current.

The magnetron may contain berrylia, which is a confirmed human carcinogen. Broken magnetrons should never be handled directly. The magnetron in a microwave oven has long been thought to be a possible source of cancer.

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