c 15 kW d 9 kW 0 A condenser of capacitance 12 F was

Last updated: 6/8/2023

c 15 kW d 9 kW 0 A condenser of capacitance 12 F was initially charged to 20V Now potential difference is made 40V The increase in potential energy is a 7 2 x 10 J c 3 x 104 J m b 4 10 3 J d 5 x 106 J