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 27 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
:D TYSM

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Although large, the cougar is more closely related to smaller felines. Although large, the cougar is more closely related to smaller felines.
Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein
Acquired resistance. Acquired resistance.
Large-scale circulation systems produce global climate patterns Large-scale circulation systems produce global climate patterns
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ... The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...
Video: Allergic Rhinitis

For a complete list of videos, visit our video library