8. (a) What do you understand by the term electric resistance?
(b) Why does the filament of an electric bulb in an electric circuit get wh
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(a) electric resistance is opposition to the flow of current in an electric circuit: resistance convert electric energy to thermal energy
(b) the filament of an electric bulb is made up of tungsten having High resistance .Due to its high resistance on passing and electric current through it electrical energy changes into heat energy
Explanation:
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