Day 207: MHT-CET Physics

1. A.
   $2\sqrt{2}$ s
2. B.
   2 s
3. C.
   $\frac{1}{\sqrt{2}}$ s
4. D.
   $\frac{1}{2}$ s

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1. A.
   $\frac{\mu_{0}I}{4\pi r} + \frac{\mu_{0}I}{r}$
2. B.
   $\frac{\mu_{0}I}{4\pi r} + \frac{\mu_{0}I}{2r}$
3. C.
   $\frac{\mu_{0}I}{4\pi r} + \frac{\mu_{0}I}{4r}$
4. D.
   $\frac{\mu_{0}I}{4\pi r} - \frac{\mu_{0}I}{4r}$

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1. A.
   1 s
2. B.
   3 s
3. C.
   2 s
4. D.
   4 s

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1. A.
   $\frac{1 + b}{\sqrt{b}}$
2. B.
   $\frac{1 + b}{2\sqrt{b}}$
3. C.
   $\frac{2\sqrt{b}}{1 + b}$
4. D.
   $\frac{2\sqrt{b}}{(1 + b)^{2}}$

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1. A.
   $125\Omega$ resistance in parallel
2. B.
   $125\Omega$ resistance in series
3. C.
   $25\Omega$ resistance in parallel
4. D.
   $25\Omega$ resistance in series

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