(b) Calculate the capacitance for the following capacitors: (1) Cylindrical capacitor has radii a = 1.5 cm and b = 2.0 cm and the space between the plates is filled with an inhomogeneous dielectric with &, = (10 + p)/p, where p is in centimetres. (i) Parallel capacitors in Figure 3 with e1 = 2.5, 82 = 3.5, d= 20 mm, and S= 25 cm?. Eri d/2 Eri Er2 Er2 d'2 S/2 S/2 Figure 3|

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(b) Calculate the capacitance for the following capacitors:
(i) Cylindrical capacitor has radii a = 1.5 cm and b = 2.0 cm and the space between the
plates is filled with an inhomogeneous dielectric with &, = (10 + p)/p, where p is in
centimetres.
(i) Parallel capacitors in Figure 3 with &1 = 2.5, 82 = 3.5, d= 20 mm, and S= 25 cm?.
Eri
d/2
Eri
Er2
Er2
d2
S/2
S/2
Figure 3
Transcribed Image Text:(b) Calculate the capacitance for the following capacitors: (i) Cylindrical capacitor has radii a = 1.5 cm and b = 2.0 cm and the space between the plates is filled with an inhomogeneous dielectric with &, = (10 + p)/p, where p is in centimetres. (i) Parallel capacitors in Figure 3 with &1 = 2.5, 82 = 3.5, d= 20 mm, and S= 25 cm?. Eri d/2 Eri Er2 Er2 d2 S/2 S/2 Figure 3
QUESTION 4
(a) Figure 2 shows a parallel plates capacitor with a dielectric material being placed at the
S
center of the plates with surface area of
. Show that the total capacitance of this capacitor
2
is
C = (8, + ɛ)-
2d
S
S
d
8.
2
Figure 2|
Transcribed Image Text:QUESTION 4 (a) Figure 2 shows a parallel plates capacitor with a dielectric material being placed at the S center of the plates with surface area of . Show that the total capacitance of this capacitor 2 is C = (8, + ɛ)- 2d S S d 8. 2 Figure 2|
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