This topic contains a solution. Click here to go to the answer

Author Question: A straight wire carries a current of 40 A in a uniform magnetic field (magnitude = 80 mT). If the ... (Read 69 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
A straight wire carries a current of 40 A in a uniform magnetic field (magnitude = 80 mT). If the force per unit length on this wire is 2.0 N/m, determine the angle between the wire and the magnetic field.
 a. either 39 or 141
  b. either 25 or 155
  c. either 70 or 110
  d. either 42 or 138
  e. either 65 or 115

Question 2

A charged particle (mass = M, charge = Q > 0) moves in a region of space where the magnetic field has a constant magnitude of B and a downward direction. What is the magnetic force on the particle at an instant when it is moving horizontally toward the north with speed V?
 a. QVB toward the east
  b. Zero
  c. QVB toward the west
  d. QVB upward
  e. QVB toward the south



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

otokexnaru

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

a

Answer to Question 2

c




leo leo

  • Member
  • Posts: 566
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

For a complete list of videos, visit our video library