× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
kph2015 kph2015
wrote...
solved
Posts: 8
Rep: 0 0
10 years ago
A rectangular loop of wire, with dimensions as shown in the figure, carrying a 2-A current is placed in a magnetic field of 0.8 T. The loop rotates in the magnetic field and at one point makes a 30° angle with the magnetic field. What is the magnitude of the torque acting on the wire?


0.7 Nm
0.6 Nm
0.4 Nm
0.5 Nm
0.3 Nm
Read 617 times
1 Reply

Related Topics

Replies
wrote...
#1
Staff Member
Educator
10 years ago
T = I*A*B* sintheta , A= area , B= magnetic field

T= 2*1*0.5* 0.8*sin30

=0.8sin30

= 0.4 Nm

ans is 0.4 Nm

ans C) 0.4 nm

PLEASE, better title.
Mastering in Nutritional Biology
Tralalalala Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1296 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 394
  
 381
  
 400
Your Opinion
What's your favorite coffee beverage?
Votes: 274
Previous poll results: Do you trust social media networks with protecting your privacy?