An air capacitor of capacitance 0.005 F is connected to a direct voltage of 500 V. It is disconnected and then immersed in oil with a relative permittivity of 2.5. The energy after immersion is?

An air capacitor of capacitance 0.005 F is connected to a direct volt

1.	An air capacitor of capacitance 0.005 F is connected to a direct voltage of 500 V. It is disconnected and then immersed in oil with a relative permittivity of 2.5. The energy after immersion is?
A.	275 J
B.	250 J
C.	225 J
D.	625 J
Answer» C. 225 J

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An air capacitor of capacitance 0.005 F is connected to a direct voltage of 500 V. It is disconnected and then immersed in oil with a relative permittivity of 2.5. The energy after immersion is?

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