SATHEE: Electrostatics Question 585

Electrostatics Question 585

Question: The combined capacity of the parallel combination of two capacitors is four times their combined capacity when connected in series. This means that [EAMCET 1994]

Options:

A) Their capacities are equal

B) Their capacities are $1 μ F$ and $2 μ F$

C) Their capacities are $0.5 μ F$ and $1 μ F$

D) Their capacities are infinite

Show Answer

Answer:

Correct Answer: A

Solution:

$C_{p} = 4 C_{s}$

therefore $(C_{1} + C_{2}) = 4 \frac{C_{1} C_{2}}{(C_{1} + C_{2})}$

therefore ${(C_{1} - C_{2})}^{2} = 0$

therefore $C_{1} = C_{2}$

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Electrostatics Question 585

Question: The combined capacity of the parallel combination of two capacitors is four times their combined capacity when connected in series. This means that [EAMCET 1994]

Options:

Answer:

Solution:

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