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Usually means that the magnetron tube that creates the microwave is burned out. I am an EE and when this happens to a microwave I buy a new microwave rather than trying to replace the tube. Fooling with the tube and shielding can be dangerous.

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13y ago

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Is there UV in microwave ovens?

No, microwave ovens do not emit ultraviolet (UV) radiation. They use microwave radiation to heat and cook food by causing water molecules in the food to vibrate, generating heat. UV radiation is not involved in the operation of microwave ovens.


What is a way to add heat to liquid water?

microwave it


How does food get crispy in the microwave?

Things like hot pockets and microwave pizzas use what is called a susceptor (usually in the form of a sleeve or container). These susceptors convert microwave energy into heat, which help crisp up food in the microwave, countering the effects of sogginess that is synonymous with microwave ovens. For more information: http://en.wikipedia.org/wiki/Susceptor


How well would you expect a microwave oven to heat liquid carbon dioxide?

A microwave oven would not heat liquid carbon dioxide effectively because carbon dioxide is not a good absorber of microwave radiation due to its non-polar nature. Microwaves work best on polar molecules like water that can absorb and convert the microwave energy into heat efficiently.


Does the temperature settings numbers actually change the amount of heat generated by the microwave?

No. The microwave oven doesn't generate any heat. The heat results inside the meatloaf when the moisture and fat in the ground meat absorbs the microwave radio energy. The longer the absorption goes on, the more the temperature of the meatloaf rises. The temperature setting tells the oven how long to keep pumping radio energy into the meatloaf before it shuts off.

Related Questions

Does a microwave transfer heat by radiation?

Yes, a microwave transfers heat through radiation. Microwave ovens use electromagnetic radiation in the microwave frequency range to heat food by causing water molecules in the food to vibrate and generate heat.


Why does a plate not heat when in the microwave?

Yes if it is microwave proof


Can you heat a plate in a microwave?

Yes if it is microwave proof


Why do empty dishes do not heat up in a microwave?

Empty dishes do not heat up in a microwave because there is nothing for the microwave energy to interact with and convert into heat. The microwaves require water molecules or other substances to absorb them and generate heat, which is why only food or liquids heat up in the microwave.


Why water gets hot in a microwave?

The microwave rays heat it.


Can you heat quiche in microwave oven?

No - you will get food poisoning - do not heat quiche in a microwave oven - use a conventional oven & heat thoroughly


Is a microwave a heat pump?

No, a microwave is not a heat pump. It generates heat by making microwaves which cook our food by vibrating the particles and making them heat by rubbing together.


Can you heat formula in the microwave safely"?

Yes, you can heat formula in the microwave safely by following proper guidelines and precautions.


Is a microwave a source of heat energy?

Yes, a microwave is a source of heat energy. It heats food by using microwave radiation to agitate water molecules within the food, causing them to vibrate and generate heat.


How can I safely heat oil in the microwave?

Heating oil in the microwave can be dangerous due to the risk of it overheating and causing a fire. To safely heat oil in the microwave, use a microwave-safe container, heat in short intervals, and stir frequently to distribute the heat evenly. Be cautious when handling the hot oil to avoid burns.


What property of heat is a food cooked in a microwave oven?

microwave is an electromagnetic wave in order of micrometer (one thousandth of meter). Because every electromagnetic wave is a radiation, microwave is radiation. Therefore, microwave oven which utilize microwave is transferring the heat via radiation.


Does a microwave use heat energy?

Yes, microwave uses heat energy. It helps in cooking.