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 54 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
Gracias!

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
Drug Resistance Drug Resistance
What type of errors are these: calling only large dogs a dog and calling a dog a kitty? What type of errors are these: calling only large dogs a dog and calling a dog a kitty?
Postage meters are used for large mailings. Postage meters are used for large mailings.
Causes of Ocean Currents Causes of Ocean Currents
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library