A parallel plate capacitor has a charge of 7.7 ×
10−7 C on one plate and −7.7 × 10−7 C on the
other.
The distance between the plates is increased by 22% while the charge on each plate stays the same. What happens to the energy stored in the capacitor? The energy (select) decreases or increases by %. |
A parallel plate capacitor has a charge of 7.7 × 10−7 C on one plate and...
A parallel plate capacitor has a charge of 6.7 × 10−7 C on one plate and −6.7 × 10−7 C on the other. The distance between the plates is increased by 21% while the charge on each plate stays the same. What happens to the energy stored in the capacitor?
Suppose the distance between the plates of a parallel‑plate capacitor is increased without changing the amount of charge stored on the plates. What will happen to the energy stored in the capacitor? A. it decreases B. it remains the same C. it increases
8. A parallel plate capacitor consists of two square parallel plates separated by a distance d. If I double the potential across the plates, while keeping everything else constant, what happens to the energy stored in the capacitor? A) There will be % of the energy stored B) There will be % of the energy stored C) The energy stored will remain constant D) The energy stored will double E) the energy stored will quadruple MMMMMMMM 9. The picture on...
Question 2 1 pts A parallel -plate capacitor of capacitance C with distance d between plates is fully charged from a battery of voltage V and stays connected. The plates of capacitor are slowly pulled to the half of initial distance (d/2). Energy stored is capacitor after pulling the plates to distance d/2: Increased 4 times Increased twice Decreased twice Decreased 4 times Stays the same
If the area of the plates of a parallel plate capacitor is halved and the separation between the plates tripled, while the charge on the capacitor remains constant, then by what factor does the energy stored in the capacitor change? decreases by a factor of 2/3 increases by a factor of 6 decreases by a factor of 1/6 increases by a factor of 3/2 increases by a factor of 2
pgtual and inverted 6. The charge on each plate of a parallel-plate capacitor is 20 uC. The capacitance of the capacitor is C. 1 HF 10-6 F. 12) What is the magnitude of the electric field between the plates of the capacitor? a) 80 V/m 13) If the area of each plate remains the same but the distance between the plates increases by a factor of three, thern a) the capacitance b) the capacitance c) the capacitance decreases by a...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and stays connected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: O stays the same O increases twice O decreases twice O decreases 4 times O increases 4 times
Which of the following would increase the capacitance of a parallel-plate capacitor? I. Insert a dielectric between the plates. II. Increase the surface area of each plate. III. Increase the separation distance between the plates. O I and II only OII and III only All of the above. A capacitor is charged with a battery to a voltage V and then disconnected from the battery. A dielectric is inserted between the plates. When the dielectric is inserted, what happens to...
Question 4 1 pts A parallel-plate capacitor of capacitance C has the area of plates A and distance between plates d. Capacitor is connected to the battery of voltage V, fully charged and then disconnected. A slab of dielectric material with dielectric constant 4 is then inserted into capacitor, completely filling region between plates. Electric field between plates of capacitor: decreases twice stays the same increases twice decreases 4 times increases 4 times
3. A parallel-plate capacitor with plate separation x and area A has charges +Q and -Q on its plates. The capacitor is disconnected from the source of charge, so the charge on plates stays constant. a) What is the total energy stored in the capacitor? b) The plates are pulled apart by distance dx. What is the change in stored energy?