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How does a pressure cooker work? What is the Physics behind it?
Answer:
A pressure cooker develops a very high pressure when water boils inside. At high pressure the boiling point of water also rises and therefore food gets cooked at a higher temperature. Therefore the food materials are cooked well and faster than at normal temperature and pressure.
A pressure cooker is extremely useful in hilly areas where the pressure is very low and the boiling point is less for water. AT a lower boiling point, cooking is very difficult as proper cooking will not take place. When a pressure cooker is used, it increases the pressure as well as the boiling point and the food materials can be cooked well.
