Magnetism
How to find torque using coupling forces, not M x B...
My couple force concept isn't that clear, i want this question to clear it for me...
9 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Couple forces will be : i(dl x B) force acting on the circle
Like this, the cos45 components create torque
But the ans isn't the same as using M x B when i do it...
You cant just simply use i(L×B)
Every dl element is at different angle with B
Try for theta = 0 first
Try to calculate force using calculus on both half rings
Oh i see
Alr thanks I'll try that
+solved @SIMPle Potato
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