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

Author Question: Superconductors can carry very large currents with no resistance. If a superconducting wire is ... (Read 22 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 28, 2018
Superconductors can carry very large currents with no resistance. If a superconducting wire is formed into a solenoid of length 50.0 cm with 250 turns, what is the magnetic field inside the solenoid when the current is 104 A? (0 = 4p  10-7 Tm/A)
 a. 12.6 T
  c. 1.25 T
  b. 2.50 T
  d. 6.28 T

Question 2

By what factor must one change the weight suspended vertically from a spring coil in order to double its period of simple harmonic motion?
 a. 4
  c. 1/2
  b. 2
  d. 1/4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vseab

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

A


pepyto

  • Member
  • Posts: 547
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

This is a still image from an animation of ocean surface currents from June 2005 to December 2007 This is a still image from an animation of ocean surface currents from June 2005 to December 2007
Pekingese's large eyes Pekingese's large eyes
Diverticulosis. It is the presence of abnormal pouches in the wall of the large intestine (diverticu Diverticulosis. It is the presence of abnormal pouches in the wall of the large intestine (diverticu
Large-Flowered Trillium Large-Flowered Trillium
Anatomy Of Large Intestine Anatomy Of Large Intestine
James Watson and Francis Crick’s metal-and wire model of DNA James Watson and Francis Crick’s metal-and wire model of DNA
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library