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प्रश्न
What meaning would you give to the capacitance of a single conductor?
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उत्तर
The capacitance of a single conductor is considered as a parallel plate capacitor with one of its two plates at infinity.
संबंधित प्रश्न
Derive the expression for the capacitance of a parallel plate capacitor having plate area A and plate separation d.
A parallel plate capacitor with air between the plates has a capacitance of 8 pF (1pF = 10−12 F). What will be the capacitance if the distance between the plates is reduced by half, and the space between them is filled with a substance of dielectric constant 6?
A capacitor, made of two parallel plates each of plate area A and separation d, is being charged by an external ac source. Show that the displacement current inside the capacitor is the same as the current charging the capacitor.
A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will
Two parallel uniformly charged infinite plane sheets, '1' and '2', have charge densities + `sigma and -2sigma `respectively. Give the magnitude and direction of the net electric field at a point.
(i) in between the two sheets and
(ii) outside near the sheet '1'.
In a parallel plate air capacitor the distance between plates is reduced to one-fourth and the space between them is filled with a dielectric medium of constant 2. If the initial capacity of the capacitor is 4μF then its new capacity is ______.
A parallel plate capacitor is charged and then disconnected from the charging battery. If the plates are now moved farther apart by pulling them by means of insulating handles, then ______.
Figure shows plot of charge versus potential difference for four parallel plate capacitors, which have same plate area, dielectric medium but different distance between the plates. Which one of them have smallest plate distance?
A dielectric is inserted between the plates of a charged and isolated parallel-plate air capacitor. Then, the charge on the plates and the potential difference, respectively, ______.
Capacity of a parallel plate capacitor with a medium of dielectric constant 8 is 12 µF. If the medium is removed, then capacity of the capacitor would be ____________.
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates ______.
The capacity of the parallel plate condenser depends on ______
A parallel plate air capacity 'C' farad, potential 'V' volt and energy 'E' joule. When the gap between the plates is completely filled with dielectric ______.
Two infinitely long parallel conducting plates having surface charge densities +σ cand -σ respectively are separated by a small distance. The medium between the plates is a vacuum. If ε0 is the dielectric permittivity of the vacuum, then the electric field in the region between the plates is ______.
The equivalent capacitance between the point A and B as shown in figure will be ______.
A dielectric slab of thickness 't’ is kept between the plates of a parallel plate capacitor with plate separation 'd' (t < d). Derive the expression for the capacitance of the capacitor.
A dielectric slab of dielectric constant K and thickness t is introduced between the two plates of a capacitor of plate-separation d (>t) and common area A. The capacitance of this system is given as:
`C = (∈_o"A")/((d-t)+(t/k))`
How does the capacitance C modify in each of the following cases?
- The dielectric slab covers half the distance of separation between the two plates.
- The whole space between the plates is filled with the dielectric.
