1. A parallel-plate capacitor ունի սկզբնական capacity C, the permittivity of free space is εo, plate area is A, the distance between plates is d. If the plate area increased by 4 times, the distance between plates becomes 2d and the permittivity of free space Սա 5εo, what is the final capacity of the parallel-plate capacitor.
Հայտնի է.
The capacity of capacitor = C
The permittivity of free space = εo
Plate area = Ա
հեռավորություն between plates = d
SE busca: Capacity of the capacitor (C)
Լուծում.
2. The capacitor that has the largest capacity based on the graphic below is...
Լուծում.
The formula of the parallel-plate capacitor :
The capacity of capacitors :
The capacitor that has the largest capacity is capacitor C3.
3.
Consider the following factors!
(1) Dielectric constant
(2) The պոտենցիալների տարբերություն between the plates
(3) Plate thick
(4) The surface area of the plate
(5) The distance between the plates
(6) Amount of էլեկտրական լիցք
Factors affecting the capacities of parallel plate capacitors are …
Լուծում.
(1), (4) and (5)
4. The capacity comparison of the capacitor 1 and 2 is…
Հայտնի է.
CAPACITOR 1:
Մակերեսը = 2A
The distance between plates = դ1
CAPACITOR 2:
Մակերեսը = Ա
The distance between plates = 2 օր1
SE busca: The capacity comparison of the capacitor 1 and 2
Լուծում.
5.
Determine comparison of the capacity of Parallel-plate capacitor I and II.
Լուծում.
Comparison of the capacity of Parallel-plate capacitor I and II :
6. Two parallel-plate capacitors shown in the figure below.
If A1 = ½ Ա2 և դ2 = 3 օր1 ապա սահմանել the ratio of capacities of the parallel-plate capacitor between the image 2 and the image 1.
Հայտնի է.
Parallel-plate capacitor I :
A1 = 1
d1 = 1
Parallel-plate capacitor II :
A2 = 2
d2 = 3
SE busca: the ratio of capacities of the parallel-plate capacitor between the image 2 and the image 1
Լուծում.
Parallel-plate capacitor I :
Parallel-plate capacitor II :
The ratio of capacities of the parallel-plate capacitor II and I :
