A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is
A. 50 joules
B. 150 joules
C. 200 joules
D. 250 joules
Answer: Option D
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Related Questions on Electrostatics
For making a capacitor, it is better to select a dielectric having
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B. high permittivity
C. permittivity same as that of air
D. permittivity slightly more than that of air
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A. zero
B. proportional to applied voltage
C. proportional to value of capacitance
D. both (B) and (C) above
A. remain uncharged
B. decrease
C. increase
D. become zero
Which of the following capacitors will have the least value of breakdown voltage ?
A. Mica
B. Paper
C. Ceramic
D. Electrolytic
1/2×CV^2
=10000×10000×2.5×10^_6
=250 joules
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