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Byju's Answer
Standard XII
Physics
Energy of a Capacitor
How much ener...
Question
How much energy in kJ will be stored by a capacitor of 470
μ
F
when charged by a battery of 20 V?
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Solution
Energy stored in the capacitor is
U
=
1
2
C
V
2
=
1
2
×
470
×
10
−
6
×
(
20
)
2
=
0.094
J
=
94
m
J
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