10. It is a common experience that when an electric current flows through the filament of an
electric toaster, the wires of the filament soon become ' red hot'. This is known as the ' Heating
effect of electric current'. The heat produced, in a given wire depends on (i) the strength of the
current through the wire; (ii) the nature of the material and the length and thickness of the
given wire; (iii) the time for which electric current flows through the given wire.
(a) Name a device based on the heating effect of current.
(b) Name the device used these days in place of electric fuses in electrical circuits.
(c) Write one special characteristic of the wire needed for making the 'element' of an electric
heater.
(d) Write one disadvantage of heating effect of electric current.
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Answer:
a] =bulb
=b]mcbs
c]=copper i think
Explanation:
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