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

Author Question: An ideal solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries ... (Read 533 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jul 29, 2018
An ideal solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field at the center of the solenoid? (0 = 4  10-7 T  m/
 
  A)
  A) 16 mT
  B) 4.9 mT
  C) 15 mT
  D) 6.0 mT
  E) 9.0 mT

Question 2

A laser with a power of 1.0 mW has a beam radius of 1.0 mm.
 
  What is the peak value of the electric field in that beam? (c = 3.0 x 108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)
  A) 490 V/m B) 22 V/m C) 65 V/m D) 840 V/m E) 120 V/m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Awilson837

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Cellular changes associated with short-term and long-term memory in the sea slug. Cellular changes associated with short-term and long-term memory in the sea slug.
A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History A 19-foot-long blue whale skull in the collections of the Smithsonian Museum of Natural History
Local/long distance cell Signaling Local/long distance cell Signaling
C heck the description bcuz the question is too long. there is a file attached but it is the ... C heck the description bcuz the question is too long. there is a file attached but it is the ...
When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ... When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ...
Demographic transition model for changes in population growth rates and sizes, correlated with long- Demographic transition model for changes in population growth rates and sizes, correlated with long-
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library