Day 75: MHT-CET Physics

1. A.
   $\dfrac{5\mu_0}{2\pi}$
2. B.
   $\dfrac{3\mu_0}{4\pi}$
3. C.
   $\dfrac{2\mu_0}{\pi}$
4. D.
   $\dfrac{5\mu_0}{6\pi}$

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1. A.
   $\dfrac{B}{H} = \mu_0(1 + \chi)$
2. B.
   $BH = \mu_0(1 + \chi)$
3. C.
   $\dfrac{H}{B} = \mu_0(1 - \chi)$
4. D.
   $\dfrac{H}{B} = \mu_0(1 + \chi)$

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1. A.
   $2$ times
2. B.
   $3$ times
3. C.
   $6$ times
4. D.
   $4$ times

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1. A.
   $5.8$
2. B.
   $8.6$
3. C.
   $4.9$
4. D.
   $6.3$

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1. A.
   $n = 5$ to $n = 2$
2. B.
   $n = 2$ to $n = 5$
3. C.
   $n = 2$ to $n = 3$
4. D.
   $n = 3$ to $n = 2$

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