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The magnetic flux denisty B at a distanc...

The magnetic flux denisty B at a distance r from a long stright rod carrying a steady current varies with r as show in the

A

B

C

D

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Verified by Experts

The correct Answer is:
D
Megnetic flud inside rod `B prop r` and outside the rod `B prop (i)/(r )`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MAGNETIC EFFECT OF ELECTRIC CURRENT-Exercise 1
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