Build a question paper in 60 seconds.

1. A
   $\frac{\mu_{0}I}{2R}$
2. B
   $\frac{\mu_{0}I}{R}$
3. C
   $\frac{3\mu_{0}I}{2R}$
4. D
   $\frac{\sqrt{5}\mu_{0}I}{2R}$

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1. A
   AND gate
2. B
   NAND gate
3. C
   OR gate
4. D
   XOR gate

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1. A
   300 m/s
2. B
   303 m/s
3. C
   313 m/s
4. D
   330 m/s

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1. A
   2 A
2. B
   0.5 A
3. C
   20 A
4. D
   $2\sqrt{2}$ A

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

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

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1. A
   4
2. B
   9
3. C
   12
4. D
   15

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1. A
   400, 200 Hz
2. B
   200, 400 Hz
3. C
   100, 200 Hz
4. D
   205, 410 Hz

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1. A
   2:3
2. B
   1:2
3. C
   4:9
4. D
   9:4

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

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1. A
   $E$
2. B
   $3E$
3. C
   $6E$
4. D
   $9E$

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

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1. A
   $\frac{2}{3}\omega$
2. B
   $\frac{4}{5}\omega$
3. C
   $\frac{5}{4}\omega$
4. D
   $\frac{3}{2}\omega$

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1. A
   273 K
2. B
   373 K
3. C
   473 K
4. D
   573 K

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1. A
   $2\lambda$
2. B
   $3\lambda$
3. C
   $4\lambda$
4. D
   $5\lambda$

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1. A
   $i < i_{c}$
2. B
   $i = i_{c}$
3. C
   $i = \frac{\pi_{c}}{2}$
4. D
   $i > i_{c}$

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1. A
   30 V
2. B
   24 V
3. C
   18 V
4. D
   9 V

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1. A
   44
2. B
   82
3. C
   146
4. D
   $24\sqrt{2}$

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1. A
   3
2. B
   9
3. C
   13
4. D
   27

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

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1. A
   1:3
2. B
   1:6
3. C
   1:9
4. D
   1:27

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1. A
   $V_{B}$ increase, $X$ decreases
2. B
   $V_{B}$ decreases, $X$ increase
3. C
   $V_{B}$ increase, $X$ increase
4. D
   $V_{B}$ decreases, $X$ decreases

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1. A
   0.0333
2. B
   0.0667
3. C
   0.0726
4. D
   0.0984

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1. A
   $\sin^{-1}\frac{1}{\sqrt{6}}$
2. B
   $\sin^{-1}\frac{1}{\sqrt{3}}$
3. C
   $\sin^{-1}\frac{\sqrt{3}}{2}$
4. D
   $\cos^{-1}\frac{\sqrt{3}}{2}$

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1. A
   $r^{9/2}$
2. B
   $r^{7/2}$
3. C
   $r^{5/2}$
4. D
   $r^{3/2}$

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