A capacitor of capacitance 700 pF is charged by 100 V battery. The electrostatic energy stored by the capacitor is

Question

A capacitor of capacitance 700 pF is charged by 100 V battery. The electrostatic energy stored by the capacitor is

A capacitor of capacitance 700 pF is charged by 100 V battery. The electrostatic energy stored by the capacitor is
A. `2.5xx10^(-8)J`
B. `3.5xx10^(-6)J`
C. `2.5xx10^(-4)J`
D. `3.5xx10^(-4)J`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Here `C = 700 pF = 700 xx 10^(-12) F,V = 100V ` Energy stored
` U = (1)/(2) CV^(2) = (1)/(2) xx 700 xx 10^(-12) xx (100)^(2) 3.5 xx 10^(-6) J`

6 views Answered 2023-02-05 15:29