# The formula E=Pt gives the energy, E watt hours, used when an electrical appliance of power P watts is used for t hours. What is the energy used in this situation: A 1400-W blow dryer is used for 10 min?

## The formula is E=Pt

Dec 15, 2017

$E = 233. \overline{33} W h$

#### Explanation:

E = Pt

Given :
P =1400W
and
t = 10 minutes= $\frac{10}{60}$ hours = $\frac{1}{6}$hour.

$\therefore$ E = P t = $1400 \times \frac{1}{6}$

$E = 233. \overline{33} W h$.