# Problem: A typical American family uses 1000 kWh of electricity a month.(a) What is the average rms current in the 120 V power line to the house?(b) On average, what is the resistance of a household?

###### FREE Expert Solution

(a)

$\overline{)\begin{array}{rcl}{\mathbf{I}}& {\mathbf{=}}& \frac{\mathbf{P}}{\mathbf{V}}\end{array}}$

Convert Energy to power:

$\overline{){\mathbf{P}}{\mathbf{=}}\frac{\mathbf{E}}{\mathbf{t}}}$

Assume 1 month = 30 days:

###### Problem Details

A typical American family uses 1000 kWh of electricity a month.

(a) What is the average rms current in the 120 V power line to the house?

(b) On average, what is the resistance of a household?