• Support PF! Buy your school textbooks, materials and every day products Here!

Force on current carrying wire

  • Thread starter Ry122
  • Start date
  • #1
565
2
A straight wire of length 90 cm carries a current of 60 A and makes an angle of 45 degrees with a uniform magnetic field. If the force on the wire is 2.0 N what is the magnitude of B.

my attempt:
F=BIL
2=B(6)(.90)
B=.37
What am i doing wrong?
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
31
F=BIL is assuming the conductor is at 90 degrees to the magnetic field.

if it is at an angle [itex]\theta[/itex], then the formula becomes [itex]F=BILsin\theta[/itex]
 

Related Threads for: Force on current carrying wire

  • Last Post
Replies
2
Views
4K
  • Last Post
Replies
12
Views
2K
  • Last Post
Replies
9
Views
6K
Replies
3
Views
1K
Replies
1
Views
937
Replies
2
Views
927
Replies
3
Views
971
  • Last Post
Replies
3
Views
2K
Top