Question

what is joule's healthy effect? write expression for it and list any four applications of joule's heating effect in daily life.
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Answer 1

Answer:

(1) The heating effect of current is utilised in the working of electric heating appliances such as electric iron, electric kettle, electric toaster, electric oven, room heaters, geysers, etc. (2) The heating effect of electric current is utilised in electric bulbs.

Answer 2

Answer:

When an electric current is passed through a high resistance wire, like nichrome wire, the resistance wire becomes very hot and produces heat. This effect is known as heating effect of current or Joule's law of heating.

(1) The heating effect of current is utilised in the working of electric heating appliances such as electric iron, electric kettle, electric toaster, electric oven, room heaters, geysers, etc.

(2) The heating effect of electric current is utilised in electric bulbs.

(3) The heating effect of electric current is utilised in electric fuse for protecting household wiring and electrical appliances.

(4) The heating effect of electric current is utilised in laundry iron.

Explanation:

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