Part A). A parallel plate capacitor is connected with a 1,149 volt battery and e
ID: 1452800 • Letter: P
Question
Part A). A parallel plate capacitor is connected with a 1,149 volt battery and each plate contains 3,880 micro Coulomb charge. How much energy is stored in the capacitor?Part B). A certain capacitor stores 25 J of energy when it holds 2,614 uC of charge. What is the capacitance in nF?
Part A). A parallel plate capacitor is connected with a 1,149 volt battery and each plate contains 3,880 micro Coulomb charge. How much energy is stored in the capacitor?
Part B). A certain capacitor stores 25 J of energy when it holds 2,614 uC of charge. What is the capacitance in nF?
Part B). A certain capacitor stores 25 J of energy when it holds 2,614 uC of charge. What is the capacitance in nF?
Explanation / Answer
A) Energy = 0.5*C*V^2 = 0.5*3880*10^-6*1149^2 = 2561 Joule
B) Energy = 0.5*Q^2 / C
C = 0.5*Q^2 / E = 136.6 nF