The given graph shows variation (with distance r from center) of :
Combination of two identical capacitors, a resistor R and a dc voltage source of voltage 6V is used in an experiment on a (C−R) circuit. It is found that for a parallel combination of the capacitor the time in which the voltage of the fully charged combination reduces to half its original voltage is 10 second. For series combination the time needed for reducing the voltage of the fully charged series combination by half is-
05
Dec
Combination of two identical capacitors, a resistor R and a dc voltage source of voltage 6V is used in an experiment on a (C−R) circuit. It is found that for a parallel combination of the capacitor the time in which the voltage of the fully charged combination reduces to half its original voltage is 10 [...]
A parallel plate capacitor is made of two circular plates separated by a distance 5mm and with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is 3×10^4V/m the charge density of the positive plate will be close to:
05
Dec
A parallel plate capacitor is made of two circular plates separated by a distance 5mm and with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is 3×10^4V/m the charge density of the positive plate will be close to: The given graph shows variation (with distance r from center) [...]
A long cylindrical shell carries positive surface charge σ in the upper half and negative surface charge −σ in the lower half. The electric field lines around the cylinder will look like figure given in:(figures are schematic and not drawn to scale)
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Dec
A long cylindrical shell carries positive surface charge σ in the upper half and negative surface charge −σ in the lower half. The electric field lines around the cylinder will look like figure given in:(figures are schematic and not drawn to scale) The given graph shows variation (with distance r from center) of : December [...]
The region between two concentric spheres of radii ‘a’ and ‘b’, respectively (see figure), have volume charge density ρ=A/r, where A is a constant and r is the distance from the centre. At the centre of the spheres is a point charge Q. The value of A such that the electric field in the region between the spheres will be constant, is:
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Dec
The region between two concentric spheres of radii ‘a’ and ‘b’, respectively (see figure), have volume charge density ρ=A/r, where A is a constant and r is the distance from the centre. At the centre of the spheres is a point charge Q. The value of A such that the electric field in the region [...]
A capacitance of 2μF is required in an electrical circuit across a potential difference of 1kV. A large number of 1μF capacitors are available which can withstand a potential difference of not more than 300v. The minimum number of capacitors required to achieve this is
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Dec
A capacitance of 2μF is required in an electrical circuit across a potential difference of 1kV. A large number of 1μF capacitors are available which can withstand a potential difference of not more than 300v. The minimum number of capacitors required to achieve this is The given graph shows variation (with distance r from center) [...]
The given graph shows variation (with distance r from center) of :
05
Dec
The given graph shows variation (with distance r from center) of : The given graph shows variation (with distance r from center) of : December 5, 2020 Category: Arihant Physics by D.C Pandey , Chapter 2 - Electrostatic Potential and Capacitance , Volume 2 ,