A hair dryer is a heating device for drying hair fast. It uses the motor-driven fan and the heating element to transform electric energy into convective heat. When you plug in the hair dryer and turn on the switch, current flows through the hair dryer. The circuit first supplies power …
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An iron is a heating device for clothes. It relies on a basic combination of heat and pressure to remove wrinkles from clothing. If an electric current is passed through a coil or other heating element present in the iron, it becomes very hot. This heat is then transferred to …
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A microwave is a heating device for food. It cooks by causing the molecules in food to vibrate, which creates heat. The different parts of a microwave work together to cook food properly. There are 3 contributing factors to this process. A main component called a magnetron generates electromagnetic waves inside the …
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An oven is a heating device for food. Different types of ovens cook food in their own way, but most ovens generally work by using two separate metal heating elements to cook food. Gas ovens use propane or natural gas-fuelled burners to heat food. A gas-fuelled heat element, located at the bottom of …
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A stove is a heating device for food. A cook stove or wood stove is heated by burning wood or charcoal. A gas stove is heated by gas. An electric stove is heated by electricity. Conduction is the process of heat being transferred between objects through direct contact, and it’s …
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