PHYSICS 2401 Lab Homework-Capacitance This homework will be due when you come to

Question

PHYSICS 2401 Lab Homework-Capacitance This homework will be due when you come to lab the week of October 9 -13. Consider the followi C, has separation distance of 1.0 mm; Cs has an area of 2.0 cm and a separation distance of 1.0 mm. Rank the capacitors based on their capacitance from highest to lowest. Show one sample calculation of how you determined the capacitance. (15 pts) I. an area of 5.0 cm2 and a separation distance of 3.0 mm; C, has an area of 4.0 cm2 and a Each of the capacitors in the previous problem is given a charge of 8.0 C. Rank the potential of each capacitor from highest to lowest. Show one sample calculation. (10 pts) 2.

Explanation / Answer

1) C = Aeo / d

eo is the same for all

so the ratio of (A/d) will give the ranks for the capacitor

C1 = (4/2) = 2

C2 = (5/3) = 1.67

C3 = 4/1 = 4

C3 > C1 > C2

2) V = Q/C

since Q is constant

Capacitor with the highest Capacitance will have lowest voltage

C2>C1 > C3

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