What are the ways in which heat can be transferred from one body to another ? Distinguish between them and give two examples to illustrate each.
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When current flows through a conductor , heat is produced .
heat through :
1) heating effect of electric current - which depends on 3 factors that are .. resistance of the conductor , time for which current flows , & amount of current (high amount produces more heat ) for ex: ironing
heat through :
1) heating effect of electric current - which depends on 3 factors that are .. resistance of the conductor , time for which current flows , & amount of current (high amount produces more heat ) for ex: ironing
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