Physics-
General
Easy
Question
The diameter of each plate of an air capacitor is . To make the capacity of this plate capacitor equal to that of diameter sphere, the distance between the plates will be
The correct answer is:
Capacity of spherical conductor of 20 cm diameter
Capacity of parallel plate air capacitor
Hence Þ Þ
Related Questions to study
Physics-
A light bulb, a capacitor and a battery are connected together as shown here, with switch initially open. When the switch is closed, which one of the following is true
A light bulb, a capacitor and a battery are connected together as shown here, with switch initially open. When the switch is closed, which one of the following is true
Physics-General
Maths-
y= , then at x = e is
y= , then at x = e is
Maths-General
Maths-
lf ST and SN are the Iengths of the subtangent and the subnormal at the point on the curve , where ], then
lf ST and SN are the Iengths of the subtangent and the subnormal at the point on the curve , where ], then
Maths-General
Maths-
The normal to the curves and at angle always passes through the fixed point
The normal to the curves and at angle always passes through the fixed point
Maths-General
Maths-
If =and = then
If =and = then
Maths-General
Physics-
The distance between the circular plates of a parallel plate condenser in diameter, in order to have same capacity as a sphere of radius is
The distance between the circular plates of a parallel plate condenser in diameter, in order to have same capacity as a sphere of radius is
Physics-General
Physics-
A frictionless dielectric plate is kept on a frictionless table . A charged parallel plate capacitance (of which the plates are frictionless) is kept near it. The plate is between the plates. When the plate is left between the plates
A frictionless dielectric plate is kept on a frictionless table . A charged parallel plate capacitance (of which the plates are frictionless) is kept near it. The plate is between the plates. When the plate is left between the plates
Physics-General
Physics-
As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capacity
As shown in the figure, a very thin sheet of aluminium is placed in between the plates of the condenser. Then the capacity
Physics-General
Physics-
Force of attraction between the plates of a parallel plate capacitor is
Force of attraction between the plates of a parallel plate capacitor is
Physics-General
Physics-
A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is. If a glass plate (dielectric constant) of is introduced between them, then the capacity will become
A parallel plate condenser is connected with the terminals of a battery. The distance between the plates is. If a glass plate (dielectric constant) of is introduced between them, then the capacity will become
Physics-General
Physics-
drops each having the capacity and potential are combined to form a big drop. If the charge on the small drop is, then the charge on the big drop will be
drops each having the capacity and potential are combined to form a big drop. If the charge on the small drop is, then the charge on the big drop will be
Physics-General
Physics-
Separation between the plates of a parallel plate capacitor is and the area of each plate is . When a slab of material of dielectric constantand thickness is introduced between the plates, its capacitance becomes
Separation between the plates of a parallel plate capacitor is and the area of each plate is . When a slab of material of dielectric constantand thickness is introduced between the plates, its capacitance becomes
Physics-General
Physics-
The energy of a charged capacitor is given by the expression ( = charge on the conductor and C = its capacity)
The energy of a charged capacitor is given by the expression ( = charge on the conductor and C = its capacity)
Physics-General
Physics-
The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q1 = –14 nC, q2 = 78.85 nC, q3 = – 56 nC)
The electric flux for Gaussian surface A that enclose the charged particles in free space is (given q1 = –14 nC, q2 = 78.85 nC, q3 = – 56 nC)
Physics-General
Physics-
Consider the charge configuration and spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface the electric field will be due to
Consider the charge configuration and spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface the electric field will be due to
Physics-General