Build a question paper in 60 seconds.

1. A
   $\frac{Q'_A}{Q_A} = \frac{K}{2}$
2. B
   $\frac{Q'_B}{Q_B} = \frac{K+1}{2}$
3. C
   $\frac{Q'_A}{Q_A} = \frac{K+1}{K}$
4. D
   $\frac{Q'_B}{Q_B} = \frac{K+1}{2K}$

Tap an option to check your answer.

1. A
   $M_O C^2$
2. B
   $(M_O - 8M_p)C^2$
3. C
   $(M_O - 17M_N)C^2$
4. D
   $(M_0 - 8M_P - 9M_N)C^2$

Tap an option to check your answer.

1. A
   $\frac{L}{4}$
2. B
   $4L$
3. C
   $8L$
4. D
   $2L$

Tap an option to check your answer.

1. A
   will become zero
2. B
   will remain same
3. C
   will decrease
4. D
   will increase

Tap an option to check your answer.

1. A
   P
2. B
   Q
3. C
   R
4. D
   S

Tap an option to check your answer.

1. A
   number of turns per unit length
2. B
   current passing through it
3. C
   radius of the toroidal solenoid
4. D
   permeability

Tap an option to check your answer.

1. A
   3.84 cm
2. B
   2.84 cm
3. C
   1.84 cm
4. D
   4.84 cm

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   $3:5$
2. B
   $\sqrt{3}:\sqrt{5}$
3. C
   $\sqrt{3}:\sqrt{7}$
4. D
   $\sqrt{5}:\sqrt{7}$

Tap an option to check your answer.

1. A
   $\frac{3}{4}$th of kinetic energy per unit volume of a gas
2. B
   $\frac{2}{3}$rd of kinetic energy per unit volume of a gas
3. C
   $\frac{1}{3}$rd of kinetic energy per unit volume of a gas
4. D
   $\frac{3}{2}$rd of kinetic energy per unit volume of a gas

Tap an option to check your answer.

1. A
   $\frac{1}{2\pi}\sqrt{\frac{V_1^2 - V_2^2}{x_1^2 - x_2^2}}$
2. B
   $2\pi\sqrt{\frac{x_1^2 - x_2^2}{V_1^2 - V_2^2}}$
3. C
   $\frac{1}{2\pi}\sqrt{\frac{V_2^2 - V_1^2}{x_1^2 - x_2^2}}$
4. D
   $2\pi\sqrt{\frac{x_1^2 - x_2^2}{V_2^2 - V_1^2}}$

Tap an option to check your answer.

1. A
   $\cos^{-1}\!\left(\frac{\mu}{2}\right)$
2. B
   $2\cos^{-1}\!\left(\frac{\mu}{2}\right)$
3. C
   $\sin^{-1}\!\left(\frac{\mu}{2}\right)$
4. D
   $2\sin^{-1}\!\left(\frac{\mu}{2}\right)$

Tap an option to check your answer.

1. A
   $252\cos\!\left(12t + \frac{4\pi}{3}\right)$
2. B
   $252\cos\!\left(12t + \frac{\pi}{3}\right)$
3. C
   $63\cos\!\left(12t + \frac{2\pi}{3}\right)$
4. D
   $2\cos\!\left(12t + \frac{5\pi}{3}\right)$

Tap an option to check your answer.

1. A
   $f_a = f_b > f_c > f_d$ and $I_a = I_b > I_c > I_d$
2. B
   $f_a < f_b > f_c = f_d$ and $I_a = I_b > I_c > I_d$
3. C
   $f_a = f_b = f_c = f_d$ and $I_a < I_b < I_c < I_d$
4. D
   $f_a > f_b > f_c > f_d$ and $I_a = I_b = I_c = I_d$

Tap an option to check your answer.

1. A
   $400\,\Omega$
2. B
   $800\,\Omega$
3. C
   $200\,\Omega$
4. D
   $100\,\Omega$

Tap an option to check your answer.

1. A
   $6400\,\text{\AA}$
2. B
   $5600\,\text{\AA}$
3. C
   $4800\,\text{\AA}$
4. D
   $4400\,\text{\AA}$

Tap an option to check your answer.

1. A
   $r\sqrt{\frac{2\alpha}{\theta}}$
2. B
   $r\sqrt{2\alpha\theta}$
3. C
   $r\sqrt{\frac{\alpha\theta}{2}}$
4. D
   $r\sqrt{\frac{2\alpha}{\theta}}$

Tap an option to check your answer.

1. A
   2:3:5
2. B
   2:5:7
3. C
   7:5:9
4. D
   1:2:5

Tap an option to check your answer.

1. A
   2
2. B
   4
3. C
   1000
4. D
   10000

Tap an option to check your answer.

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

Tap an option to check your answer.

1. A
   2
2. B
   8
3. C
   16
4. D
   32

Tap an option to check your answer.

1. A
   $\frac{\mu_0 I}{2R}$
2. B
   $\frac{3\mu_0 I}{2R}$
3. C
   $\frac{5\mu_0 I}{2R}$
4. D
   $\frac{7\mu_0 I}{2R}$

Tap an option to check your answer.

1. A
   $\sin^{-1}\!\left(\frac{\lambda}{D}\right)$
2. B
   $\sin^{-1}\!\left(\frac{\lambda}{2d}\right)$
3. C
   $\sin^{-1}\!\left(\frac{\lambda}{3d}\right)$
4. D
   $\sin^{-1}\!\left(\frac{\lambda}{4d}\right)$

Tap an option to check your answer.

1. A
   0.3
2. B
   0.4
3. C
   0.75
4. D
   1.0

Tap an option to check your answer.

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

Tap an option to check your answer.