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The change of cross sectional area of conductor in magnetic field will affect a.) reluctance of conductor. b.) resistance of conductor. c.) (A) and (B) both in the same way. d.) none of above.

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Class XI - XII (Physics ) tuition at pallavaram

Ans: C (A) and (B) both in the same way. We know that the cross sectional area is inversely proportional to the resistance of the conductor. In magnetic circuits, reluctance is analogues to the resistance. Hence, the resistance and reluctance would affect in the same way.
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Class XI - XII (Physics ) tuition at pallavaram

Ans is : C resistivity (row) = (Resistance*A)/l. Hence R = (row*l)/A. From this equation, we know that the cross sectional area is inversely proportional to the resistance of the conductor. In magnetic circuits, reluctance is analogues to the resistance. Hence, the resistance and reluctance would...
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Ans is : C resistivity (row) = (Resistance*A)/l. Hence R = (row*l)/A. From this equation, we know that the cross sectional area is inversely proportional to the resistance of the conductor. In magnetic circuits, reluctance is analogues to the resistance. Hence, the resistance and reluctance would affect in the same way. read less
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We know that the cross sectional area is inversely proportional to the resistance of the conductor. In magnetic circuits, reluctance is analogues to the resistance. Hence, the resistance and reluctance would affect in the same way.
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