The popularity of microwave oven as a kitchen appliance has grown in recent times. The major reason for its growing popularity is the time efficiency it offers. One can cook variety of dishes in a few minutes. They can be used for heating leftover or frozen food in minutes, making pizzas, baking your favorite cakes and even for steaming vegetables. Everything from drying of herbs to poaching of eggs, making coffee or toasting nuts, popping popcorn or baking a pasta dish has become so easy with its use.

It is an appliance which is most suitable for working women, students and for anyone who is short of time and wants a quick meal. Cooking in microwave oven is not only quicker but cheaper as compared to ovens as one does have to heat the microwave oven before cooking. Microwave ovens are amongst the hottest selling home appliances in Kolkata and people in Kolkata are food lovers. Price range of microwave ovens in Kolkata is between Rs. 4000 - Rs. 50000 and it depends on the features being offered.

But how does a microwave oven do all this? Inside the microwave is a microwave generator called magnetron. The magnetron converts the electricity into high powered radio waves and blasts these waves into food compartment. The microwaves bounce back and forth off the metal walls inside the microwave and on reaching the food, they penetrate the food. When they travel through the food, they make the molecules vibrate quickly. These molecules then produce more heat as the vibration increases. Microwaves excite liquids in food more strongly. Hence, food which has even water content cook more evenly than foods which have water content in the middle e.g. fruit pie. Microwaves can't penetrate more than an inch or so in foods. They lose energy after penetrating through an inch of food. Hence, foods like meat or chicken which require cooking from inside are cooked only from outside, while the inside portion is cooked via conduction. This is the reason why microwaves have a "standing time". During this time, food keeps on cooking evenly when the hotter parts of food will pass heat to cooler parts via conduction.

So it can be said that the microwave oven is a great home appliance which works in an efficient way to cook, grill or roast food. This is why, the buyers need to know the basic key factors so that they can buy the right product.

Source : articlesbase.com

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