Question
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Answer (Detailed Solution Below)
Option 1 : $0.2\ \mathrm{J}$ / $0.2\ \mathrm{J}$
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Detailed Solution
सही उत्तर $0.2\ \mathrm{J}$ / $0.2\ \mathrm{J}$ है।
Key Points
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prepsnap.in • Part -AQuestion:
The energy stored in a $10\ \mu\mathrm{F}$ capacitor charged to $200\ \mathrm{V}$ is: / $200\ \mathrm{V}$ तक आवेशित $10\ \mu\mathrm{F}$ संधारित्र में संचित ऊर्जा है:
1.
$0.2\ \mathrm{J}$ / $0.2\ \mathrm{J}$
2.
$0.4\ \mathrm{J}$ / $0.4\ \mathrm{J}$
3.
$2\ \mathrm{J}$ / $2\ \mathrm{J}$
4.
$0.02\ \mathrm{J}$ / $0.02\ \mathrm{J}$
Correct Answer: $0.2\ \mathrm{J}$ / $0.2\ \mathrm{J}$
$E = \frac{1}{2}CV^2 = \frac{1}{2} \times 10 \times 10^{-6} \times (200)^2 = 0.2\ \mathrm{J}$. / $E = \frac{1}{2}CV^2 = \frac{1}{2} \times 10 \times 10^{-6} \times (200)^2 = 0.2\ \mathrm{J}$।
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