This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In an RL circuit with time constant 3.0 s, what does the time constant become if the resistance is ... (Read 89 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
on: Jul 28, 2018
In an RL circuit with time constant 3.0 s, what does the time constant become if the resistance is doubled and the inductance is tripled?,
 a. 2.0 s
  c. 9.0 s
  b. 18 s
  d. 4.5 s

Question 2

A 2.0-m long piano string of mass 40 g is under a tension of 338 N. Find the speed with which a wave travels on this string.
 a. 130 m/s
  c. 520 m/s
  b. 260 m/s
  d. 1040 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


james0929

  • Member
  • Posts: 586
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For this bimolecular reaction, the rate constant k is second order For this bimolecular reaction, the rate constant k is second order
The Geologic Time Scale The Geologic Time Scale
An Estimate of the Time of Global Peak Conventional Oil Production An Estimate of the Time of Global Peak Conventional Oil Production
Acquired resistance. Acquired resistance.
Disitive Time For Meat Disitive Time For Meat
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ... The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library