Day 72: MHT-CET Physics

1. A.
   $0.5\%$
2. B.
   $0\%$
3. C.
   $20\%$
4. D.
   $5\%$

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1. A.
   the field is zero but potential is not zero
2. B.
   the field is not zero but potential is zero
3. C.
   both field and potential are zero
4. D.
   both field and potential are not zero

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1. A.
   $\dfrac{4kC}{(k + 3)}$
2. B.
   $\dfrac{(k + 3)C}{4k}$
3. C.
   $\dfrac{(k - 3)C}{4k}$
4. D.
   $\dfrac{4kC}{(k - 3)}$

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1. A.
   $2H$
2. B.
   $H$
3. C.
   $7H$
4. D.
   $4H$

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

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