posted by Alice .
A hair dryer draws a current of 9.7 A.
(a) How much charge passes through the hair dryer in 3.5 min?
(b) How many electrons does this represent?
I= Δq/Δt =N•e/ Δt.
Δq = I• Δt = 9.7•3.5•60 = ...
N = Δq/e = Δq /1.6•10^-19 = ...