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Question
A 900 pF capacitor is charged by 100 V batter. how much electrostatic energy is stored by the capacitor?
A 900 pF capacitor is charged by 100 V batter. how much electrostatic energy is stored by the capacitor?
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Solution
Capacitance, C = 900 pF = 900 × 10-12 F
Voltage, V = 100 V
Energy stored in the capacitor is, E = ½ CV2
= > E = ½ × 900 × 10-12 × 1002
= > E = 4.5 × 10-6 J
Capacitance, C = 900 pF = 900 × 10-12 F
Voltage, V = 100 V
Energy stored in the capacitor is, E = ½ CV2
= > E = ½ × 900 × 10-12 × 1002
= > E = 4.5 × 10-6 J
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