Day 211: MHT-CET Physics

1. A.
   $9\times10^{-6}\,\text{J}$
2. B.
   $16\times10^{-6}\,\text{J}$
3. C.
   $40\times10^{-6}\,\text{J}$
4. D.
   $80\times10^{-6}\,\text{J}$

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1. A.
   25%
2. B.
   50%
3. C.
   75%
4. D.
   100%

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1. A.
   $4\ \mathrm{ms^{-1}}$
2. B.
   $2\ \mathrm{ms^{-1}}$
3. C.
   $0.5\ \mathrm{ms^{-1}}$
4. D.
   $8\ \mathrm{ms^{-1}}$

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1. A.
   $\frac{eB}{\pi^2 l}$
2. B.
   $\frac{e}{\pi B l^2}$
3. C.
   $\frac{B^2 e}{\pi l}$
4. D.
   $\frac{\pi l^2 e}{B}$

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1. A.
   $\frac{I_{1}\omega_{1} + I_{2}\omega_{2}}{2\left( I_{1} + I_{2} \right)^{2}}$
2. B.
   $\ \frac{\left( I_{1}\omega_{1} - I_{2}\omega_{2} \right)^{2}}{2\left( I_{1} + I_{2} \right)}$
3. C.
   $\frac{\left( I_{1}\omega_{1} + I_{2}\omega_{2} \right)^{2}}{2\left( I_{1} - I_{2} \right)}$
4. D.
   $\frac{\left( I_{1}\omega_{1} + I_{2}\omega_{2} \right)^{2}}{2\left( I_{1} + I_{2} \right)}$

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