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

Author Question: A long solenoid (1500 turns/m) carries a current of 20 mA and has an inside diameter of 4.0 cm. A ... (Read 206 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 28, 2018
A long solenoid (1500 turns/m) carries a current of 20 mA and has an inside diameter of 4.0 cm. A long wire carries a current of 2.0 A along the axis of the solenoid. What is the magnitude of the magnetic field at a point that is inside the solenoid and 1.0 cm from the wire?
 a. 78 T
  b. 55 T
  c. 48 T
  d. 68 T
  e. 2.0 T

Question 2

Determine the distance to Proxima Centauri in light-years, if it is 1.3 pc away.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d(ly) = 1.3 pc  3.26 ly/1 pc = 4.3 ly


moongchi

  • Hero Member
  • *****
  • Posts: 516
Reply #2 on: Jul 28, 2018
Thank you!


jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

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.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

When the United States gets stuck over a controversial issue—usually something a divided Congress ca When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
When the exhaust is lean, the PCM applies a positive current into the pump cell. When the exhaust is lean, the PCM applies a positive current into the pump cell.
A mobile weather station that can be used to gather current weather data at the scene of hazardous ... A mobile weather station that can be used to gather current weather data at the scene of hazardous ...
Fetus inside the womb Fetus inside the womb
Current intensity and the frequency of action potentials Current intensity and the frequency of action potentials
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library