Saturday, April 14, 2012

Physics help please?

A hair dryer draws a current of 7.4 A.



(a) How long does it take for 2.7*10^3 C of charge to pass through the hair dryer?



s



(b) How many electrons does this amount of charge represent?



electrons



Physics help please?

a) (2.7*10^3 )/(7.4) seconds



b) (2.7*10^3 )*(6.241506*10^18 ) electrons

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