Through which of the two parts is the magnitude of the magnetic flux larger?
A) Part I
B) Part II
C) The magnitude of the flux is same for both
D) Cannot be predicted without more information about magnetic field
Correct Answer: C
Solution :
The magnetic flux associated with a closed loop is zero. Thus, magnetic flux through parts \[I\] and \[II\] is zero\[i.e.,\] \[{{\phi }_{I}}+{{\phi }_{II}}=0\] \[\Rightarrow \] \[{{\phi }_{I}}=-{{\phi }_{II}}\] or \[|{{\phi }_{I}}|=|{{\phi }_{II}}|\] So, the magnitude of flux through both parts \[I\] and \[II\] must be equal.
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