What is the effect of electric current in devices like a laundry iron, electric toaster, electric oven, and electric kettle?
Heating effect
The correct answer is Option 3 i.e. Heating effect.
The effect of electric current in devices like a laundry iron, electric toaster, electric oven, and electric kettle is primarily heating. When electric current passes through the heating elements of these devices, they resist the flow of electricity, causing them to heat up.
This heat is then used for various purposes, such as ironing clothes, toasting bread, cooking food, and boiling water. This phenomenon is based on Joule’s law, which states that the heat produced is proportional to the square of the current multiplied by the resistance.
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