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About this microwave oven – RUSSELL HOBBS RHM2080BR User Manual

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About this microwave oven

Microwaves are high-frequency electromagnetic waves similar to radio waves. While
radio waves may vary in length from one metre to many kilometres, microwaves are
very short (less than 12.5 centimetres). Microwaves do not make any heat themselves
but only cause water molecules in food to vibrate. This vibration produces heat that
cooks the food. This is why your food will come out of the microwave piping hot, when
your utensils inside the oven stay much cooler. The microwaves do not stay in the air or
in the food when you open the microwave oven door.

The microwave oven will work using an ordinary household electrical socket. Inside the
microwave oven is the magnetron, which turns the electrical energy into microwaves.
Microwaves cannot go through metal, so the inside of the oven is lined with metal. The
door is lined with a fine metal mesh which stops microwaves getting through. This
means that when the microwave oven door is shut, there is no possibility that
microwaves can be released. This is why the microwave oven has been made so that it
will not work when the door is open.


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