Day 102: JEE Mains Physics

1. A.
   1
2. B.
   $1/2$
3. C.
   2
4. D.
   4

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1. A.
   $32^{\circ}C$
2. B.
   $30^{\circ}C$
3. C.
   $28^{\circ}C$
4. D.
   $34^{\circ}C$

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1. A.
   $\frac{\mu_{0}i}{2r}\left( 1 + \frac{2}{\pi} \right)$
2. B.
   $\frac{\mu_{0}i}{2r}\left( \frac{1}{2} + \frac{1}{2\pi} \right)$
3. C.
   $\frac{\mu_{0}i}{2r}\left( 1 + \frac{1}{\pi} \right)$
4. D.
   $\frac{\mu_{0}i}{2r}\left( \frac{1}{2} + \frac{1}{\pi} \right)$

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