1. A
   $0.27\,A$
2. B
   $2.7\,A$
3. C
   $3.7\,A$
4. D
   $0.37\,A$

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1. A
   Zero
2. B
   Positive
3. C
   Infinity
4. D
   Negative

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1. A
   $2U$
2. B
   $4U$
3. C
   $8U$
4. D
   $16U$

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1. A
   $20$ minutes
2. B
   $40$ minutes
3. C
   $60$ minutes
4. D
   $80$ minutes

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1. A
   $27^\circ C$
2. B
   $15^\circ C$
3. C
   $100^\circ C$
4. D
   $200^\circ C$

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1. A
   The number of flux lines entering the surface must be equal to the number of flux lines leaving it
2. B
   The magnitude of electric field on the surface is constant
3. C
   All the charges must necessarily be inside the surface
4. D
   The electric field inside the surface is necessarily uniform

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1. A
   $2\lambda$
2. B
   $4\lambda$
3. C
   $9\lambda$
4. D
   $16\lambda$

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1. A
   Instrumental errors
2. B
   Personal errors
3. C
   Least count errors
4. D
   Random errors

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1. A
   $3:5$
2. B
   $5:3$
3. C
   $2:5$
4. D
   $5:2$

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1. A
   Zero
2. B
   $\frac{f}{4}$
3. C
   $\frac{f}{2}$
4. D
   Infinite

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1. A
   $40\,cm$
2. B
   $-40\,cm$
3. C
   $-100\,cm$
4. D
   $-50\,cm$

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1. A
   $0.53\,\text{\AA}$
2. B
   $1.06\,\text{\AA}$
3. C
   $1.59\,\text{\AA}$
4. D
   $4.77\,\text{\AA}$

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1. A
   $10$
2. B
   $100$
3. C
   $1$
4. D
   $1000$

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1. A
   $\left(\frac{3}{8}\right)qK$
2. B
   $\left(\frac{5}{8}\right)qK$
3. C
   $\left(\frac{8}{5}\right)qK$
4. D
   $\left(\frac{8}{3}\right)qK$

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1. A
   $1.2\,m\,s^{-2}$
2. B
   $150\,m\,s^{-2}$
3. C
   $1.5\,m\,s^{-2}$
4. D
   $50\,m\,s^{-2}$

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1. A
   | A | B | Y | |---|---|---| | 0 | 0 | 1 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 0 |
2. B
   | A | B | Y | |---|---|---| | 0 | 0 | 0 | | 0 | 1 | 1 | | 1 | 0 | 1 | | 1 | 1 | 1 |
3. C
   | A | B | Y | |---|---|---| | 0 | 0 | 1 | | 0 | 1 | 0 | | 1 | 0 | 1 | | 1 | 1 | 0 |
4. D
   | A | B | Y | |---|---|---| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 |

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1. A
   $\frac{\pi^2}{8}\,m\,s^{-2}$
2. B
   $-\frac{\pi^2}{8}\,m\,s^{-2}$
3. C
   $\frac{\pi^2}{16}\,m\,s^{-2}$
4. D
   $-\frac{\pi^2}{16}\,m\,s^{-2}$

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1. A
   $27\,cm$
2. B
   $24\,cm$
3. C
   $28\,cm$
4. D
   $30\,cm$

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1. A
   $\frac{\mu_0 i}{4R}$ pointed into the page
2. B
   $\frac{\mu_0 i}{4R}$ pointed away from the page
3. C
   $\frac{\mu_0 i}{4R}\left[1 - \frac{2}{\pi}\right]$ pointed away from page
4. D
   $\frac{\mu_0 i}{4R}\left[1 - \frac{2}{\pi}\right]$ pointed into the page

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1. A
   $10\sqrt{2}\ \Omega$
2. B
   $15\ \Omega$
3. C
   $5\sqrt{5}\ \Omega$
4. D
   $25\ \Omega$

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1. A
   $T$
2. B
   $T^2$
3. C
   $T^3$
4. D
   $\sqrt{T}$

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1. A
   $3\,IL$
2. B
   $\sqrt{5}\,IL$
3. C
   $5\,IL$
4. D
   $\sqrt{3}\,IL$

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1. A
   $3 \times 10^{-4}\ ^\circ\text{C}^{-1}$
2. B
   $3 \times 10^{-3}\ ^\circ\text{C}^{-1}$
3. C
   $3 \times 10^{-2}\ ^\circ\text{C}^{-1}$
4. D
   $3 \times 10^{-1}\ ^\circ\text{C}^{-1}$

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1. A
   $56\ \text{m}$
2. B
   $60\ \text{m}$
3. C
   $64\ \text{m}$
4. D
   $68\ \text{m}$

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1. A
   Benzylic halide
2. B
   Aryl halide
3. C
   Allylic halide
4. D
   Vinylic halide

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