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1. A cylindrical capacitor with A = 0.01, B = 0.1 and a length of 5...

1. A cylindrical capacitor with A = 0.01, B = 0.1 and a length of 5 cm is charged by a battery whose voltage is 10 v. How much energy is stored on the capacitor? a).3.0x10-11 J b).6.0x10-11 J c). 9.0x10-11 J d). 12.0x10-11 J

2 If the energy density of a certain capacitor is made to get one hundred times larger than its initial condition, which of the following must have occurred? a).The voltage decreased by a factor of 100. b).The E-field increased by a factor of 10. c). The voltage decreased by a factor of 10. d). The E-field increased by a factor of 100.

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