Uuuhh how bouut Walmart or anywere u want really
The answer is <span>0.693 . </span><span>When a switch is closed, completing an LR series circuit, the time needed for the current to reach one half its maximum value is 0.693
</span>e^(-t/T) = 0.5
<span>-t/T = ln(0.5) = -0.693 </span>
If you’re asking what I think your saying I know comcast does