1. A tụ điện bản song song có ban đầu 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 hằng số điện môi của không gian trống là 5εo, what is the final capacity of the parallel-plate capacitor.
Đã biết:
The capacity of capacitor = C
The permittivity of free space = εo
Plate area = A
khoảng cách between plates = d
Truy nã: Capacity of the capacitor (C)
Giải pháp:
2. The capacitor that has the largest capacity based on the graphic below is...
Giải pháp:
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) sự khác biệt tiềm ẩn between the plates
(3) Plate tcái ôm
(4) The surface area of the plate
(5) The distance between the plates
(6) Amount of sạc điện
Factors affecting the capacities of parallel plate capacitors are …
Giải pháp:
(1), (4) and (5)
4. The capacity comparison of the capacitor 1 and 2 is…
Đã biết:
Tụ 1:
Diện tích bề mặt = 2A
The distance between plates =d1
Tụ 2:
Diện tích bề mặt = A
The distance between plates = 2 d1
Truy nã: The capacity comparison of the capacitor 1 and 2
Giải pháp:
5.
Determine comparison of the capacity of Parallel-plate capacitor I and II.
Giải pháp:
Comparison of the capacity of Parallel-plate capacitor I and II :
6. Two parallel-plate capacitors shown in the figure below.
Nếu một1 = ½ A2 và d2 = 3 d1 sau đó xác định the ratio of capacities of the parallel-plate capacitor between the image 2 and the image 1.
Đã biết:
Parallel-plate capacitor I :
A1 = 1
d1 = 1
Parallel-plate capacitor II :
A2 = 2
d2 = 3
Truy nã: the ratio of capacities of the parallel-plate capacitor between the image 2 and the image 1
Giải pháp:
Parallel-plate capacitor I :
Parallel-plate capacitor II :
The ratio of capacities of the parallel-plate capacitor II and I :
