Build a question paper in 60 seconds.

1. A
   70 V
2. B
   60 V
3. C
   40 V
4. D
   80 V

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1. A
   20 N
2. B
   $20\sqrt{3}\ \text{N}$
3. C
   $20\sqrt{6}\ \text{N}$
4. D
   10 N

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1. A
   0.15 N-m
2. B
   0.32 N-m
3. C
   0.25 N-m
4. D
   0.20 N-m

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1. A
   $\frac{\mu_0 N R}{2r}$
2. B
   $\frac{\mu_0 N^2 R^2}{2r}$
3. C
   $\frac{\mu_0 N r}{2R}$
4. D
   $\frac{\mu_0 N^2 r^2}{2R}$

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1. A
   2.2 A, 220 V
2. B
   2 A, 200 V
3. C
   2.5 A, 200 V
4. D
   2 A, 220 V

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1. A
   $10^{-1}$
2. B
   $10^2$
3. C
   $10^{-2}$
4. D
   $10^4$

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1. A
   1:8
2. B
   1:4
3. C
   4:1
4. D
   8:1

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1. A
   450
2. B
   400
3. C
   300
4. D
   500

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

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1. A
   $\frac{5}{2}\ \text{V}/\mu\text{m}$ and in the $-ve$ x-direction
2. B
   $\frac{5}{2}\ \text{V}/\mu\text{m}$ and in the $+ve$ x-direction
3. C
   $\frac{10}{9}\ \text{V}/\mu\text{m}$ and in the $-ve$ x-direction
4. D
   $\frac{10}{9}\ \text{V}/\mu\text{m}$ and in the $+ve$ x-direction

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1. A
   $\frac{5}{12}L$
2. B
   $\frac{11}{12}L$
3. C
   $\frac{13}{24}L$
4. D
   $\frac{11}{24}L$

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1. A
   $40\ \mu\text{A}$
2. B
   $26.66\ \mu\text{A}$
3. C
   $16.66\ \mu\text{A}$
4. D
   $10\ \mu\text{A}$

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1. A
   $\sqrt{\frac{3\pi}{\rho G}}$
2. B
   $\sqrt{\frac{\pi}{\rho G}}$
3. C
   $\sqrt{\frac{2\pi}{\rho G}}$
4. D
   $\sqrt{\frac{4\pi}{\rho G}}$

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1. A
   $4.7\times10^{11}\ \text{m}$
2. B
   $3.23\times10^{12}\ \text{m}$
3. C
   $5.3\times10^{12}\ \text{m}$
4. D
   $7.63\times10^{11}\ \text{m}$

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1. A
   $53.3^\circ\text{C}$
2. B
   $56.6^\circ\text{C}$
3. C
   $60.6^\circ\text{C}$
4. D
   $62.3^\circ\text{C}$

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1. A
   72 s
2. B
   66 s
3. C
   60 s
4. D
   84 s

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1. A
   400 m/s
2. B
   401 m/s
3. C
   402 m/s
4. D
   403 m/s

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1. A
   the magnification will be halved
2. B
   the intensity of the image will be reduced
3. C
   the distance of the image will increase
4. D
   All of the above

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1. A
   $\frac{2h}{\mu}$
2. B
   $\frac{h}{\sqrt{\mu-1}}$
3. C
   $\frac{h}{\sqrt{2\mu-1}}$
4. D
   $\frac{\mu}{2h}$

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1. A
   $27^\circ$
2. B
   $32^\circ$
3. C
   $37^\circ$
4. D
   $42^\circ$

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1. A
   $-\frac{Q}{4}$
2. B
   $\frac{Q}{2}$
3. C
   $-\frac{Q}{2}$
4. D
   $\frac{Q}{4}$

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1. A
   12.3 MA
2. B
   12.3 mA
3. C
   11.3 mA
4. D
   14.3 mA

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1. A
   Graph (a)
   
2. B
   Graph (b)
   
3. C
   Graph (c)
   
4. D
   Graph (d)
   

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1. A
   10.2 eV
2. B
   -10.2 eV
3. C
   -13.6 eV
4. D
   Both (a) and (b)

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1. A
   remains unchanged
2. B
   decreases
3. C
   increases
4. D
   first decreases and then increases

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