DraeDrae2753 DraeDrae2753
  • 01-05-2018
  • Computers and Technology
contestada

When a switch is closed, completing an lr series circuit, the time needed for the current to reach one half its maximum value is _____ time constants?

Respuesta :

lilaipo
lilaipo lilaipo
  • 20-05-2018
The answer is 0.693 .  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   

e^(-t/T) = 0.5 
-t/T = ln(0.5) = -0.693 
Answer Link

Otras preguntas

A study that uses intact groups when it is not possible to randomly assign participants to the groups is called
three fourths of the voters supported the bond measure .if there were 8000 voters,how many supported the bond measure.
Write 506.137 in expanded form.
how do glow sticks glow?
what is the reason for cleaning step in the 5 step diswashing processing?
The office memo read as follows: "There is a mandatory meeting at 3:00 P.M. on Thursday. The newest sales numbers will be covered in detail, and then the approp
Why were some colonies dependent on others for for transporting the products that they wanted to buy or sell abroad?
Placing high cost, high visibility products at the front of the store and low cost or sale items at the back of the store is a function of
Find the mean, median, mode and rang of each situation. number of miles biked in 1 week 12, 17, 15, 18, 22, 16, 20 number of strikeouts per inning 3, 2, 0, 0
What's the theme in Crossroads: A sad vaudeville?