Day 202: JEE Mains Physics

1. A.
   $12.5\text{ }W$
2. B.
   $25\text{ }W$
3. C.
   $50\text{ }W$
4. D.
   $100\text{ }W$

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1. A.
   Parallel combination of $A$ and $C$ connected in series with B.
2. B.
   Parallel combination of A and B connected in series with $C$.
3. C.
   Series combination of $A$ and $C$ connected in parallel with B.
4. D.
   Series combination of $B$ and $C$ connected in parallel with A.

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1. A.
   $2.46 \times 10^{- 3}\text{ }kg\text{ }m/s$
2. B.
   $2.16 \times 10^{- 3}\text{ }kg\text{ }m/s$
3. C.
   $1.58 \times 10^{- 3}\text{ }kg\text{ }m/s$
4. D.
   $4.32 \times 10^{- 3}\text{ }kg\text{ }m/s$

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

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