A parallel plate capacitor has an electrode area of 1000 mm2, with a spacing of 0.1 mm between the electrodes. The dielectric between the plates is air with a permittivity of 8.85∗10-12 F/m. The charge on the capacitor is 100 v. The stored energy in the capacitor is ____________
A. 44.3 J
B. 444.3 nJ
C. 88.6 nJ
D. 44.3 nJ
Answer:A
A parallel plate capacitor has an electrode area of 1000 mm2, with a spacing of 0.1 mm between the electrodes. The dielectric between the plates is air with a permittivity of 8.85∗10-12 F/m. The charge on the capacitor is 100 v. The stored energy in the capacitor is ____________
A. 44.3 J B. 444.3 nJ C. 88.6 nJ D. 44.3 nJ
Explanation: Wfld = 1/2 q2/C(x)