A )Determine the potential energy of a 10 uC charge located at the +ve plate of
ID: 3899092 • Letter: A
Question
A )Determine the potential energy of a 10 uC charge located at the +ve plate of a paralllel plate capacitor, given a spacing of 10cm and a surface charge density of =20 uC/m^2.A )Determine the potential energy of a 10 uC charge located at the +ve plate of a paralllel plate capacitor, given a spacing of 10cm and a surface charge density of =20 uC/m^2.
A )Determine the potential energy of a 10 uC charge located at the +ve plate of a paralllel plate capacitor, given a spacing of 10cm and a surface charge density of =20 uC/m^2.
Explanation / Answer
E= KQ/r^2
K= 8.99x10^9
Q= 10x10^-6
r= 0.01m
E= 8.99x10^9 x 10x10^-6/ 0.01^2
E=899000000 or 8.99x10^8NC^-1
E=V/d
Ed=V
V= 8.99x10^8 x 0.01
V=8.99x10^6
ev= P.E
e= 1.6x10^-19
8.99x10^6 x 1.6x10^-19= 1.4384x10^-12
Answer to part a: Potential energy is 1.4384x10^-12 J
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