A gigantic parallel plate capacitor with area of plates of
1.1x108 m 2 and separated by...
A gigantic parallel plate capacitor with area of plates of
1.1x108 m 2 and separated by distance 1500 m connected to source of
a potential difference 35 million volts. Define potential energy of
the capacitor.
Problem 2 – The plates of a parallel-plate capacitor are
separated by a distance d = 0.2 m. There is vacuum between the
plates. The voltage difference between the plates is 150 V. The
capacitance of the plates is 3 μF.
a) (6 pts) Find the magnitude of the electric field between the
plates (ignoring edge effects).
b) (12 pts) An alpha particle, which is doubly ionized helium,
He2+ (charge = 2e where e is the elementary charge, mass =...
A parallel-plate capacitor has an area of 5.00 cm2, and the plates are separated by 2.00 mm with air between them. The capacitor stores a charge of 500 pC.(a) What is the potential difference across the plates of the capacitor?1 V(b) What is the magnitude of the uniform electric field in the region between the plates?
An air-filled parallel-plate capacitor has plates of area 2.40
cm^2 separated by 3.00 mm. The capacitor is connected to a(n) 23.0
V battery.
(a) Find the value of its capacitance.
pF
(b) What is the charge on the capacitor?
pC
(c) What is the magnitude of the uniform electric field between
the plates?
N/C
A parallel plate capacitor with a plate area of 2.00cm^2,
separated by a distance of 2.00mm is connected to a power supply
with a potential difference of 240V. Find the capacitance and
charge on each plate.
An air-filled parallel-plate capacitor has plates of area 2.50 cm2 separated by 1.00 mm. The capacitor is connected to a 24.0-V battery. (a) Find the value of its capacitance._______ pF (b) What is the charge on the capacitor? _______ pC (c) What is the magnitude of the uniform electric field between the plates? _______ V/m
The plates of an air-filled parallel-plate capacitor with a
plate area of 15.0 cm2 and a separation of 8.95 mm are
charged to a 170-V potential difference. After the plates are
disconnected from the source, a porcelain dielectric with
κ = 6.5
is inserted between the plates of the capacitor.
(a) What is the charge on the capacitor before and after the
dielectric is inserted?
Qi
=
C
Qf
=
C
(b) What is the capacitance of the capacitor after...
A parallel-plate capacitor with circular plates of radius a
separated by a distance d is being charged though a resistor R and
battery with emf E.
1 (a) (5pts.) Make a diagram showing the direction of the
induced magnetic field between the plates.
(b) (15pts) Show that the magnitude of this induced magnetic
field r < a is given by B(r) = µ0 r 2π a2 E R e −t/RC, where r
is the distance to the axis of symmetry...
A parallel-plate capacitor with plate separation of 1.0 cm has
square plates, each with an area of 6.0 × 10 -2 m 2. What is the
capacitance of this capacitor if a dielectric material with a
dielectric constant of 2.4 is placed between the plates, completely
filling them? ( ε 0 = 8.85 × 10 -12 C 2/N ∙ m 2)
A)1.3 × 10-12 F
B)1.3 × 10-10 F
C)64 × 10-14 F
D)15 × 10-12 F
E)15 × 10-14...
A parallel-plate capacitor with plates of area 590 cm2 and is
connected across the terminals of a battery. After some time has
passed, the capacitor is disconnected from the battery. When the
plates are then moved 0.48 cm farther apart, the charge on each
plate remains constant but the potential difference between the
plates increases by 100 V.
(a) What is the magnitude of the charge on each plate?
(b) Do you expect the energy stored in the capacitor to...
A parallel-plate capacitor has 2.18 cm2 plates that are
separated by 5.69 mm with air between them. If a 18.0 V battery is
connected to this capacitor, how much energy does it store?