« previous next »

Author Question: A superconducting solenoid is to be designed to generate a magnetic field of 2.50 T. If the solenoid ... (Read 161 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Jul 28, 2018
A superconducting solenoid is to be designed to generate a magnetic field of 2.50 T. If the solenoid winding has 1000 turns/m, what is the required current? (0 = 4p  10-7 Tm/A)
 a. 5000 A
  c. 3980 A
  b. 1990 A
  d. 1000 A

Question 2

A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and amplitude of 8.0 cm. If the mass of the object is 0.25 kg, what is the spring constant?
 a. 40 N/m
  c. 126 N/m
  b. 87 N/m
  d. 158 N/m


Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

nautica902

  • Hero Member
  • *****
  • Posts: 591
Reply #2 on: Jul 28, 2018
Thanks


Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Earth’s Magnetic Field Earth’s Magnetic Field
Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
A typical solenoid-operated starter. A typical solenoid-operated starter.
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
A solenoid has an area of 41.0 cm2. Find the change in magnetic flux through the solenoid. A solenoid has an area of 41.0 cm2. Find the change in magnetic flux through the solenoid.
Field Triage Decision Scheme Field Triage Decision Scheme
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library