Answer:
Opposition of passing a electric circuit
Do you see that blank, open space after the word "potential ..." ?
There's supposed to be a number there that actually tells us the value of the potential. Without that number ... and a lot more description of the whole scenario here ... there's no possible answer to the question.
One is the best choice for an answer.
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Answer:
The magnitude will be "
". The further explanation is given below.
Explanation:
Trying to determine what is usual for a rectangular loop plane,
⇒ 
Magnetic moment is given as:
μ = 
On putting the values in the above formula, we get
μ = ![(5.5A)[(0.3m)(0.4m)][(Cos35^{\circ})(\hat{i})+(Sin35^{\circ})(-\hat{k})]](https://tex.z-dn.net/?f=%285.5A%29%5B%280.3m%29%280.4m%29%5D%5B%28Cos35%5E%7B%5Ccirc%7D%29%28%5Chat%7Bi%7D%29%2B%28Sin35%5E%7B%5Ccirc%7D%29%28-%5Chat%7Bk%7D%29%5D)
= ![0.66 Am^2[(Cos35^{\circ})(\hat{i})+(Sin35^{\circ})(\hat{k})]](https://tex.z-dn.net/?f=0.66%20Am%5E2%5B%28Cos35%5E%7B%5Ccirc%7D%29%28%5Chat%7Bi%7D%29%2B%28Sin35%5E%7B%5Ccirc%7D%29%28%5Chat%7Bk%7D%29%5D)
Now the external vector-shaped torque seems to be:
Magnitude,

On putting the values in the above formula, we get
⇒ ![\sigma=[(0.06Am^2)(Cos35^{\circ}(-\hat{i})+Sin35^{\circ}(-\hat{k})]\times (2.9T)(-\hat{i})](https://tex.z-dn.net/?f=%5Csigma%3D%5B%280.06Am%5E2%29%28Cos35%5E%7B%5Ccirc%7D%28-%5Chat%7Bi%7D%29%2BSin35%5E%7B%5Ccirc%7D%28-%5Chat%7Bk%7D%29%5D%5Ctimes%20%282.9T%29%28-%5Chat%7Bi%7D%29)
⇒ 
⇒ 
⇒ 