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

Author Question: A solenoid with 500 turns, 0.10 m long, carrying a current of 2.0 A and with a radius of 10-2 m will ... (Read 97 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 28, 2018
A solenoid with 500 turns, 0.10 m long, carrying a current of 2.0 A and with a radius of 10-2 m will have what strength magnetic field at its center? (magnetic permeability in empty space 0 = 4p  10-7 Tm/A)
 a. 31  10-4 T
  c. 2.5  10-2 T
  b. 1.3  10-2 T
  d. 62  10-4 T

Question 2

If it takes 8.0 N to stretch a spring 6.0 cm, and if the spring is then cut in half, what force does it take to stretch one of the halves 3.0 cm?
 a. 2.0 N
  c. 8.0 N
  b. 4.0 N
  d. 16 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


scienceeasy

  • Hero Member
  • *****
  • Posts: 565
Reply #2 on: Jul 28, 2018
TY


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

X-ray showing transverse fracture of radius. X-ray showing transverse fracture of radius.
Long-wattled Umbrellabird Long-wattled Umbrellabird
Current Resistance and Voltage Current Resistance and Voltage
A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per
The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ... The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ...
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10 The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10
Video: Attention Deficit Disorder (ADD)

For a complete list of videos, visit our video library