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Capacitors
Page 3
Questions (371)
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a
3 answers
asked by
archi
717 views
Capacitor A has a capacitance CA =29.4 uF and us initially charged to a voltage of V1= 10.70 V. Capacitor B is initially
3 answers
asked by
Jp
675 views
A capacitor of 4.5 MF, charged to 50v, is connected to another capacitor of = MF, charged to 100v. The total energy of the
2 answers
asked by
Praveen
627 views
Four capacitors are connected in series with a battery, as in the figure below, where C1 = 3.24 µF, C2 = 6.11 µF, C3 = 12.1
4 answers
asked by
Max
1,320 views
A small plastic ball of mass 6.10 10^3 kg and charge +0.150 µC is suspended from an insulating thread and hangs between the
2 answers
asked by
physdummy
1,041 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
6 answers
asked by
Trevor
967 views
The capacitance of a capacitor with a dielectric of air is 1200 pF. When a dielectric is inserted between the
plates, the
1 answer
asked by
ilham
224 views
A parallel plate air capacitor has a capacitance of 4.70 µF: Determine the new capacitance if: a.) The distance between the
1 answer
asked by
Cesar aguilar
200 views
Three capacitors whose capacitances are 1,2 and 3 microfarads are connected in series. Find the equivalent capacitance of the
1 answer
asked by
Leo
388 views
How long will a 100uf capacitor take to discharge through a 100Ω bleed resistor?
4 answers
asked by
anonymous
643 views
A capacitor is constructed from two aluminium plates 1.5cm on a side separated by 0.2mm of air.
(A) Calculate the capacitance of
2 answers
asked by
amy
653 views
In the case of having two plates of a capacitor, in the formula for capacitance C = (Epsilon)(A/d), is A the sum of the areas of
1 answer
asked by
Kid
343 views
At what voltage would a 9 μF capacitor have the energy to lift 3 grams by 1 cm?
i understand i need the0.5CV^2 equation however
1 answer
asked by
mike
399 views
A 2.0-microFarad capacitor is charged to 50V and then connected in parallel (positive to positive plate) with a 4.0-microFarad
1 answer
asked by
HELP Me! ASAP please ^_^
980 views
Three capacitors, each of capacitance 120 pF, are each charged to 500 V and then connected in series. Determine (a) the
2 answers
asked by
HELP Me! ASAP ^_^
616 views
A 2μF capacitor is charged to 50V and then connected in parallel with a 4μF capacitor charged to 100 V.?
Determine (a) the
1 answer
asked by
good eve
1,014 views
Three capacitors, each of capacitance 120 pF, are each charged to 500 V and then connected in series. Determine (a) the
2 answers
asked by
good eve
523 views
A parallel condenser of 0.8F is to be constructed using sheets of tin foil each 30cm.25cm and separated by a paraffin waxed
4 answers
asked by
angy
464 views
how to compute charging and discharging time of capacitor in voltage to frequency converters.
1 answer
asked by
alice
316 views
A battery of 9 V charges a capacitor of 47 ìF through a resistor.
What resistor value needs to be used to obtain a voltage
2 answers
asked by
john
485 views
parallel plate capacitor has an area of 5cm^2 and a capacitance of 3.5PF. the capacitor is
connected to a 12v battery .after the
2 answers
asked by
selina
644 views
"A droplet of oil carries an extra charge of one electron and is held motionless between parallel plates separated by 1.80 cm
3 answers
asked by
Ed
1,438 views
What is a Series Capacitor
1 answer
asked by
Andre
296 views
A capacitor is made up of two metal plates, each having an area of 0.02 m2 and spaced 2.5 mm apart. A potential difference of
3 answers
asked by
azad
583 views
Three uncharged capacitors, X, Y, Z, each with capacitance of 12uF each are connected
A---------[X]------[Y/Z]-----------B *Y&Z
2 answers
asked by
Ariana
872 views
1. Given t1/2 to be 0.0137 seconds, how long should it take to reach 87.5% of maximum charge?
2. Let's say you measure t1/2 to be
2 answers
asked by
B
543 views
in a series circuit ,one capacitor is 0.047 micro Farads, the other capitor has a unknown value,with a sine wave generator at
1 answer
asked by
wayne state
445 views
A 40uf parallel plate capacitor is charged to 12v. The capacitor is removed from the battery and the separation distance
1 answer
asked by
david
749 views
What is the smallest capacitor needed in a computer power supply in order to supply at least 0.2 A of current for 0.35 s after
1 answer
asked by
Van
955 views
After 2.5 time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C, charged through a
3 answers
asked by
Van
1,079 views
approximate I from a graph of current/time for a discharging capacitor.
no idea on this, obviously you cant see the graph, but
2 answers
asked by
jerome
1,065 views
Two 1.50cm -diameter disks spaced 1.80mm apart form a parallel-plate capacitor. The electric field between the disks is
1 answer
asked by
Josh
812 views
A 3.00-cm-diameter parallel-plate capacitor with a spacing of 0.800mm is charged to 300V . What is the total energy stored in
1 answer
asked by
Sven
867 views
A capacitor that has 10 cm diameter plates, 0.1mm apart, is charged at 100 V and the battery
removed afterwards. What are the
1 answer
asked by
tj
648 views
Suppose a capacitor of C=2.0 uF with no excess charge on it is suddenly connected in series with a resistor of R=447 ohms , and
2 answers
asked by
Yolune
546 views
What is the net charge on a capacitor in a circuit ? Is it ever possible for the charge on one conductor to be different than
1 answer
asked by
Pastry
423 views
Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series
2 answers
asked by
Vuline
841 views
Explain why you expect to find that the amount of charge a battery can pump onto a parallel plate capacitor will be cut in half
1 answer
asked by
Huline
459 views
Consider the attraction and repulsion of different types of charge.
a) Explain why you expect to find that the amount of charge a
1 answer
asked by
Guline
464 views
A spherical capacitor consists of a spherical conducting shell of radius b and charge -Q concentric with a smaller conducting
3 answers
asked by
asha
1,448 views
An uncharged 3.20-μF capacitor is in series, through a switch, with a 5.55-M Ω resistor and a 36.0- V battery (with negligible
1 answer
asked by
Van
476 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
1 answer
asked by
physics
460 views
An empty capacitor has a capacitance of 1.86 μF and is connected to a 12-V battery. A dielectric material (κ = 4.5) is
3 answers
asked by
Phil-- HELP NEEDED ASAP
530 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 3.6). The empty capacitor
2 answers
asked by
Phil-- HELP NEEDED ASAP
646 views
A parallel-plate air capacitor is made from two plates 0.250 m square, spaced 0.70 cm apart. It is connected to a 140 V battery.
1 answer
asked by
Lisa
621 views
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is
1 answer
asked by
Elizabeth
714 views
The potential difference between the plates of a leaky capacitor, C = 3.00 microfarads., drops from 6.80 V. to 3.40 V. in 1.00
3 answers
asked by
james
556 views
A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from
1 answer
asked by
andrew
510 views
80 moicro farad capcitor is connected to 220 volt battery it is then disconnected and connected uncharged capacitor of 360 micro
1 answer
asked by
Anonymous
450 views
Find the rms current in a 2.0uF capacitor connected across 120V rms, 65Hz AC power.
Thanks!
2 answers
asked by
Dewberry
533 views
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Parent Categories (23)
Capacitance
Circuit Analysis
Circuits
Electric Circuits
Electric Circuits/Electromagnetism
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Electric Fields and Capacitance
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