Arihant Physics by D.C Pandey
A parallel plate capacitor with square plates is filled with four dielectrics of dielectric constants K1, K2 , K3, K4 arranged as shown in the figure. The effective dielectric constant K will be :
05
Dec
A parallel plate capacitor with square plates is filled with four dielectrics of dielectric constants K1, K2 , K3, K4 arranged as shown in the figure. The effective dielectric constant K will be : A parallel plate capacitor with square plates is filled with four dielectrics of dielectric constants K1 k2 K3 K4 arranged as [...]
For a uniformly charged ring of radius R, the electric field on its axis has the largest magnitude at a distance h from its centre. Then value of h is :
05
Dec
For a uniformly charged ring of radius R, the electric field on its axis has the largest magnitude at a distance h from its centre. Then value of h is : For a uniformly charged ring of radius R the electric field on its axis has the largest magnitude at a distance h from its [...]
Three charges +Q, q, +Q are placed respectively, at distance, 0, d/2 and d from the origin, on the x-axis. If the net force experienced by +Q placed at x=0, is zero, then value of q is :
05
Dec
Three charges +Q, q, +Q are placed respectively, at distance, 0, d/2 and d from the origin, on the x-axis. If the net force experienced by +Q placed at x=0, is zero, then value of q is : -q +Q are placed respectively at distance d/2 and d from the origin is zero on the [...]
Let a total charge 2Q be distributed in a sphere of radius R, with the charge density given by , ρ(r)=kr, where r is the distance from the centre. Two charge A and B, of –Q each, are placed on diametrically opposite points, at equal distance, a from the centre. If A and B do not experience any force, then:
05
Dec
Let a total charge 2Q be distributed in a sphere of radius R, with the charge density given by , ρ(r)=kr, where r is the distance from the centre. Two charge A and B, of –Q each, are placed on diametrically opposite points, at equal distance, a from the centre. If A and B do [...]
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Arihant Physics by D.C Pandey
,
Chapter 2 - Electrostatic Potential and Capacitance
,
Volume 2
,
Tags:
a from the centre. If A and B do not experience any force ,
are placed on diametrically opposite points ,
at equal distance ,
Let a total charge 2Q be distributed in a sphere of radius R ,
of –Q each ,
then ,
where r is the distance from the centre. Two charge A and B ,
with the charge density given by ,
ρ(r)=kr ,
Two identical parallel plate capacitors, of capacitance C each, have plates of area A, separated by a distance d. The space between the plates of the two capacitors, is filled with three dielectrics, of equal thickness and dielectric constants K1,K2 and K3. The first capacitor is filled as shown in fig. I, and the second one is filled as shown in fig. II. If these two modified capacitors are charged by the same potential V, the ratio of the energy stored in the two, would be (E1 refers to capacitor (I) and E2 to capacitor (II)) :
05
Dec
Two identical parallel plate capacitors, of capacitance C each, have plates of area A, separated by a distance d. The space between the plates of the two capacitors, is filled with three dielectrics, of equal thickness and dielectric constants K1,K2 and K3. The first capacitor is filled as shown in fig. I, and the second [...]
Posted in:
Arihant Physics by D.C Pandey
,
Chapter 2 - Electrostatic Potential and Capacitance
,
Volume 2
,
Tags:
and the second one is filled as shown in fig. II. If these two modified capacitors are charged by the same potential V ,
have plates of area A ,
is filled with three dielectrics ,
K2 and K3. The first capacitor is filled as shown in fig. I ,
of capacitance C each ,
of equal thickness and dielectric constants K1 ,
separated by a distance d. The space between the plates of the two capacitors ,
the ratio of the energy stored in the two ,
Two identical parallel plate capacitors ,
would be (E1 refers to capacitor (I) and E2 to capacitor (II)) : ,
A point dipole p =−p0x^ is kept at the origin . The potential and electric field due to this dipole on the y-axis at a distance d are , respectively : (Take V = 0 at infinity) :
05
Dec
A point dipole p =−p0x^ is kept at the origin . The potential and electric field due to this dipole on the y-axis at a distance d are , respectively : (Take V = 0 at infinity) : A point dipole p =−p0x^ is kept at the origin . The potential and electric field due [...]
Shown in the figure is a shell made of a conductor. It has inner radius a and outer radius b, and carries charge Q. At its centre is a dipole p→ shown in this case:
05
Dec
Shown in the figure is a shell made of a conductor. It has inner radius a and outer radius b, and carries charge Q. At its centre is a dipole p→ shown in this case: and carries charge Q. At its centre is a dipole p→ shown in this case: Shown in the figure is [...]
A simple pendulum of length L is placed between the plates of a parallel plate capacitor having electric field E, as shown in figure. Its bob has mass m and charge q. The time period of the pendulum is given by :
05
Dec
A simple pendulum of length L is placed between the plates of a parallel plate capacitor having electric field E, as shown in figure. Its bob has mass m and charge q. The time period of the pendulum is given by : A simple pendulum of length L is placed between the plates of a [...]
In free space, a particle A of charge 1 μC is held fixed at a point P. Another particle B of the same charge and mass 4 μg is kept at a distance of 1 mm from P. if B is released, then its velocity at a distance of 9 mm from P is : [Take1/4πε0 = 9 × 10^9 Nm^2C^−2]
05
Dec
In free space, a particle A of charge 1 μC is held fixed at a point P. Another particle B of the same charge and mass 4 μg is kept at a distance of 1 mm from P. if B is released, then its velocity at a distance of 9 mm from P is : [...]
A current of 5A passes through a copper conductor (resistivity=1.7×10^−8 Ωm) of radius of cross-section 5mm. Find the mobility of the charges if their drift velocity is 1.1×10^−3 m/s
05
Dec
A current of 5A passes through a copper conductor (resistivity=1.7×10^−8 Ωm) of radius of cross-section 5mm. Find the mobility of the charges if their drift velocity is 1.1×10^−3 m/s A current of 5A passes through a copper conductor (resistivity=1.7×10^−8 Ωm) of radius of cross-section 5mm. Find the mobility of the charges if their drift velocity [...]