SATHEE: Electrostatics Question 101

Electrostatics Question 101

Question: A $12 p F$ capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor [AFMC 2000]

Options:

A) $1.5 \times 10^{- 8} J$

B) $2.5 \times 10^{- 7} J$

C) $3.5 \times 10^{- 5} J$

D) $4.5 \times 10^{- 2} J$

Show Answer

Answer:

Correct Answer: A

Solution:

$U = \frac{1}{2} C V^{2} = \frac{1}{2} \times 12 \times 10^{- 12} \times {(50)}^{2}$

$= 1.5 \times 10^{- 8} J$

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Electrostatics Question 101

Question: A 12pF capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor [AFMC 2000]

Options:

Answer:

Solution:

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Question: A $12 p F$ capacitor is connected to a 50V battery. How much electrostatic energy is stored in the capacitor [AFMC 2000]