Thursday, January 26, 2012

How does electrical energy become heat energy in a hair dryer?

i'm really stumped. my friend asked this for his systems engineering class, please help!How does electrical energy become heat energy in a hair dryer?
The coil is designed such that it has very high resistance. And when the current passes through this it will heat up. A little air and there you have it, a hair dryer.How does electrical energy become heat energy in a hair dryer?
it is having a huge resistance wire, so when current passed through this wire.....ultimately electrical energy becoming heat energy
Hi Dear





It is so easy . It has resistant wire that when electricity go through it , makes heat .

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