Volume 2
Two electric dipoles, A, B with respective dipole moments dA−→=−4 qa iˆ and dB−→=−2 qa iˆ are placed on the x-axis with a separation R, as shown in the figure. The distance from A at which both of them produce the same potential is :
05
Dec
Two electric dipoles, A, B with respective dipole moments dA−→=−4 qa iˆ and dB−→=−2 qa iˆ are placed on the x-axis with a separation R, as shown in the figure. The distance from A at which both of them produce the same potential is : A) as shown in the figure. The distance from A [...]
A parallel plate capacitor is of area 6cm^2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1,=10,K2=12 and K3=14. The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be :
05
Dec
A parallel plate capacitor is of area 6cm^2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1,=10,K2=12 and K3=14. The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be : 10 A parallel plate [...]
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Chapter 2 - Electrostatic Potential and Capacitance
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Volume 2
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10 ,
A parallel plate capacitor is of area 6cm^2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1 ,
gives same capacitance would be : ,
K2=12 and K3=14. The dielectric constant of a material which when fully inserted in above capacitor ,
A charge Q is distributed over three concentric spherical shells of radii a, b, c (a< b < c) such that their surface charge densities are equal to one another. The total potential at a point at distance r from their common centre, where r < a, would be :
05
Dec
A charge Q is distributed over three concentric spherical shells of radii a, b, c (a< b < c) such that their surface charge densities are equal to one another. The total potential at a point at distance r from their common centre, where r < a, would be : A charge Q is distributed [...]
Two point charges q1(10−−√μC) and q2(−25μC) are placed on the x-axis at x = 1 m and x = 4 m respectively. The electric field (in V/m) at a point y = 3 m on y-axis is, [take 1/4π∈0 = 9 × 10^9 Nm^2 C^−2]
05
Dec
Two point charges q1(10−−√μC) and q2(−25μC) are placed on the x-axis at x = 1 m and x = 4 m respectively. The electric field (in V/m) at a point y = 3 m on y-axis is, [take 1/4π∈0 = 9 × 10^9 Nm^2 C^−2] [take 1/4π∈0 = 9 × 10^9 Nm^2 C^−2] Two point [...]
Charge is distributed within a sphere of radius R with a volume charge density p(r)=A/r2e^−2r/a, where A and a are constants. If Q is the total charge of this charge distribution, the radius R is :
05
Dec
Charge is distributed within a sphere of radius R with a volume charge density p(r)=A/r2e^−2r/a, where A and a are constants. If Q is the total charge of this charge distribution, the radius R is : Charge is distributed within a sphere of radius R with a volume charge density p(r)=A/r2e^−2r/a the radius R is [...]
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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Chapter 2 - Electrostatic Potential and Capacitance
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Volume 2
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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
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Chapter 2 - Electrostatic Potential and Capacitance
,
Volume 2
,
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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)) : ,