Physics

Problem

The current in a circuit varies with time according to

I(t)=2t\,\text{A}

, where

t

is in seconds. If the current passes through a

4.0\,\Omega

resistor, determine the potential difference across the resistor at

t=3.0\,\text{s}

. a)

12\,\text{V}

36\,\text{V}

24\,\text{V}

18\,\text{V}