A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 3.90 uC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the potential difference if the plate separation is doub...
A parallel-plate capacitor has capacitance C. A second parallel-plate capacitor has plates with twice the area and half the separation. The capacitance of this second capacitor is most nearly
A parallel plate capacitor with air between the plates has a capacitance of 8 pF. The separation between the plates is now reduced by its half and the space between them is filled with a medium of dielectric constant 5. Calculate the value of the capacitance of the capacitor in the second...
The capacitance of a parallel-plate capacitor can be increased by: A. increasing the charge B. decreasing the charge C. increasing the plate separation D. decreasing the plate separation E. decreasing the plate area 相关知识点: 试题来源: 解析 D ...
1.calculate the capacitance of a parallel-plate capacitor with plates is partially filled with a dielectric slab S but of thickness t>r meters long carrying a current increases at the rate dI/dt,what is the magnitude and direction of the force on the electron?Disregard the field due to the...
A plurality of parallel plate capacitors comprise a first conductive material having a first upper finger located on an upper plane and a first lower finger located on a lower plane. The capacitor also includes a second conductive material having a second upper finger and a second lower finger,...
Click here:point_up_2:to get an answer to your question :writing_hand:4a parallel plate capacitor is charged through abattery of emf v and the battery is
A parallel-plate capacitor is connected to a battery. What happens to the stored energy if the plate separation is doubled while the capacitor remains connected to the battery? A.It remains the same. B.It is doubled. C.It decreases by a factor of 2. D.It decreases by a factor of 4...
An air-filled parallel-plate capacitor has plates of area 2.60 cm^2 separated by 2.30 mm. The capacitor is connected to a(n) 14.0 V battery. (a) Find the value of its capacitance. pF (b) What is the A parallel plate capacitor with plate are...
A parallel-plate capacitor was used in connection with an impedance analyser and a cryostat. The errors caused by the cables needed between analyser and cooled capacitor were minimized. Field homogenization within the measuring space is realized by correcting the reference potential at the guard ring...