- #1
Dx
A circular loop of wire of radius .5m is in a iniform magnetic field of .30T. the current in the loop is 2A. what is the magnetic torque when the plane of the loop is parallel to the magnetic field?
Ok i first misread this and assued that it meant parallel or sin(90 degrees) which equals 0.
I have thus far...
A = PI * r^2 = PI * .5^2 = .785 now plug thast into this formula.
t = NIAB = (?)(2)(.785)(.3). I know that to get the number of turns is number of loops divided by length. But there is no such animal, I have a feeling that I am using the wrong formula perhaps or have done something incorrect. I've tripled check and still get .471 as my answer. What am I doing wrong?
dx
Ok i first misread this and assued that it meant parallel or sin(90 degrees) which equals 0.
I have thus far...
A = PI * r^2 = PI * .5^2 = .785 now plug thast into this formula.
t = NIAB = (?)(2)(.785)(.3). I know that to get the number of turns is number of loops divided by length. But there is no such animal, I have a feeling that I am using the wrong formula perhaps or have done something incorrect. I've tripled check and still get .471 as my answer. What am I doing wrong?
dx