Problem 1: Two parallel plates are charged with +Q and -Q respectively as shown in the figure, where Q = 37 nC. The area of each plate is A = 0.015 m?. The distance between them is d= 6.2 cm. The plates are in the air. d A +Q -Q Part (a) With the information given, write the equation of the capacitance in terms of 80. A, d. C= 80 HOME A d 4 | 5 6 h 1 2 3 1 k END P Vol BACKSPACE CLEAR DEL Part (b) Solve for the numerical value of C in pF. Part (c) With the information given, express the potential difference across the capacitor in terms of Q and C. Rant (d Sahra fcer the ou morioel ralua ofAVin V

College Physics
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Chapter16: Electrical Energy And Capacitance
Section: Chapter Questions
Problem 5CQ: A parallel-plate capacitor with capacitance C0 stores charge of magnitude Q0 on plates of area A0...
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Problem 1: Two parallel plates are charged with +Q and -Q respectively as shown in the
figure, where Q = 37 nC. The area of each plate is A = 0.015 m?. The distance between them is d=
6.2 cm. The plates are in the air.
d.
А
+Q
-Q
Part (a) With the information given, write the equation of the capacitance in terms of ɛ0. A, d.
C=
80
HOME
A
d
4 5
6
h
1 2
3
1
k
+
-
END
P
Vol BACKSPACE
CLEAR
DEL
Part (b) Solve for the numerical value of C in pF.
Part (c) With the information given, express the potential difference across the capacitor in terms of Q and C.
Part (d) Solve for the numerical value of AV in V.
Part (e) If the charges on the plates are increased to 20, what is the value of the capacitance C in pF?
Part (f) If A is then increased to 2.4, d is decreased to d/4, what is the value of the capacitance C in pF?
Part (g) What is the new value of potential difference AV in V with the original charge Q. given the values for A and d from part (f)?
Transcribed Image Text:Problem 1: Two parallel plates are charged with +Q and -Q respectively as shown in the figure, where Q = 37 nC. The area of each plate is A = 0.015 m?. The distance between them is d= 6.2 cm. The plates are in the air. d. А +Q -Q Part (a) With the information given, write the equation of the capacitance in terms of ɛ0. A, d. C= 80 HOME A d 4 5 6 h 1 2 3 1 k + - END P Vol BACKSPACE CLEAR DEL Part (b) Solve for the numerical value of C in pF. Part (c) With the information given, express the potential difference across the capacitor in terms of Q and C. Part (d) Solve for the numerical value of AV in V. Part (e) If the charges on the plates are increased to 20, what is the value of the capacitance C in pF? Part (f) If A is then increased to 2.4, d is decreased to d/4, what is the value of the capacitance C in pF? Part (g) What is the new value of potential difference AV in V with the original charge Q. given the values for A and d from part (f)?
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