Day 628: JEE Mains Physics

1. A.
   $8\mu C$
2. B.
   zero
3. C.
   $16\mu C$
4. D.
   $4\mu C$

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1. A.
   Statement I is true but Statement II is false
2. B.
   Statement I is false but Statement II is true
3. C.
   Both Statement I and Statement II are false
4. D.
   Both Statement I and Statement II are true

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1. A.
   $1\text{ }A$
2. B.
   $2\text{ }A$
3. C.
   $\frac{6}{11}\text{ }A$
4. D.
   $\frac{4}{3}\text{ }A$

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1. A.
   $\frac{Q}{2\pi\varepsilon_{0}}\left\lbrack \frac{1}{a} + \frac{1}{\sqrt{s^{2} + a^{2}}} \right\rbrack$
2. B.
   $\frac{Q}{4\pi\varepsilon_{0}}\left\lbrack \frac{1}{a} + \frac{1}{\sqrt{s^{2} + a^{2}}} \right\rbrack$
3. C.
   $\frac{Q}{4\pi\varepsilon_{0}}\left\lbrack \frac{1}{a} - \frac{1}{\sqrt{s^{2} + a^{2}}} \right\rbrack$
4. D.
   $\frac{Q}{2\pi\varepsilon_{0}}\left\lbrack \frac{1}{a} - \frac{1}{\sqrt{s^{2} + a^{2}}} \right\rbrack$

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1. A.
   AND and OR Gate
2. B.
   OR and NOT Gate
3. C.
   NAND and NOR Gate
4. D.
   AND and NOT Gate

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