Day 156: MHT-CET Physics

1. A.
   $4\mu\text{ }F,20\text{ }A$
2. B.
   $5\mu\text{ }F,10\text{ }A$
3. C.
   $2\mu\text{ }F,20\text{ }A$
4. D.
   $8\mu\text{ }F,12\text{ }A$

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1. A.
   1 A
2. B.
   0.5 A
3. C.
   2 A
4. D.
   0.1 A

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1. A.
   capacity of both capacitors is same.
2. B.
   capacity of $A$ is higher than $B$.
3. C.
   capacity of $B$ is higher than $A$.
4. D.
   capacity of both is zero.

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1. A.
   $\frac{C_{1}}{5}$
2. B.
   $\frac{8}{5}C_{1}$
3. C.
   $\ \frac{64}{5}C_{1}$
4. D.
   $\frac{C_{1}}{40}$

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1. A.
   $\frac{\mu_{0}I}{4}\left\lbrack \frac{1}{R_{1}} - \frac{1}{R_{2}} \right\rbrack$
2. B.
   $\frac{\mu_{0}I}{4}\left\lbrack \frac{1}{R_{2}} - \frac{1}{R_{1}} \right\rbrack$
3. C.
   $\frac{\mu_{0}I}{2\pi}\left\lbrack \frac{1}{R_{1}} - \frac{1}{R_{2}} \right\rbrack$
4. D.
   $\frac{\mu_{0}I}{2\pi}\left\lbrack \frac{1}{R_{2}} - \frac{1}{R_{1}} \right\rbrack$

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