Chapter 17 – Electric Charge and Field
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 17 - Electric Charge and Field
If a charge –150 nC is given to a concentric spherical shell and a charge +50 nC is placed at its centre then the charge on inner and outer surface of the shell is
01
Dec
If a charge –150 nC is given to a concentric spherical shell and a charge +50 nC is placed at its centre then the charge on inner and outer surface of the shell is If a charge –150 nC is given to a concentric spherical shell and a charge +50 nC is placed at its [...]
A thin glass rod is bent into a semi-circle of radius R . A charge +Q is uniformly distributed along the upper half and a charge −Q is uniformly distributed along the lower half as shown in figure. Calculate the the electric field E at P the centre of the semi-circle is
30
Nov
A thin glass rod is bent into a semi-circle of radius R . A charge +Q is uniformly distributed along the upper half and a charge −Q is uniformly distributed along the lower half as shown in figure. Calculate the the electric field E at P the centre of the semi-circle is The flux of [...]
A wire, of length L(=10cm), is bent into a semi-circular arc. If the two equal halves, of the arc, were each to be uniformly charged with charges ±Q,[|Q|=10^6 ε0 Coulomb where ε0 is the permittivity (in SI units) of free space. The net electric field at the centre O of the semi-circular arc would be :
30
Nov
A wire, of length L(=10cm), is bent into a semi-circular arc. If the two equal halves, of the arc, were each to be uniformly charged with charges ±Q,[|Q|=10^6 ε0 Coulomb where ε0 is the permittivity (in SI units) of free space. The net electric field at the centre O of the semi-circular arc would be [...]
Tags:
[|Q|=10^6 ε0 Coulomb where ε0 is the permittivity (in SI units) of free space. The net electric field at the centre O of the semi-circular arc would be : ,
A wire ,
is bent into a semi-circular arc. If the two equal halves ,
of length L(=10cm) ,
of the arc ,
were each to be uniformly charged with charges ±Q ,
An infinite sheet carrying a uniform surface charge density σ lies on the xy−plane. The work done to carry a charge q from the point A = a(i^+2j^+3k^) to the point B = a(i^−2j^+6k^) (where a is a constant with the dimension of length and ε0 is the permittivity of free space) is
30
Nov
An infinite sheet carrying a uniform surface charge density σ lies on the xy−plane. The work done to carry a charge q from the point A = a(i^+2j^+3k^) to the point B = a(i^−2j^+6k^) (where a is a constant with the dimension of length and ε0 is the permittivity of free space) is The flux [...]
A square surface of side L metres is in the plane of the paper. A uniform electric field E⃗ (volt/m), also in the plane of the paper, is limited only to the lower half of the square surface (see figure). What is the electric flux in SI units associated with the surface is
30
Nov
A square surface of side L metres is in the plane of the paper. A uniform electric field E⃗ (volt/m), also in the plane of the paper, is limited only to the lower half of the square surface (see figure). What is the electric flux in SI units associated with the surface is A square [...]
the surface density of conducting sphere is 7.7 into 10 to the power minus 10 coulomb per metre square and electric field intensity at a distance of 4 m from the centre of the sphere is 2 into 10 to the power minus 2 volt metre find the radius of the sphere assuming the sphere to be vacuum.
30
Nov
the surface density of conducting sphere is 7.7 into 10 to the power minus 10 coulomb per metre square and electric field intensity at a distance of 4 m from the centre of the sphere is 2 into 10 to the power minus 2 volt metre find the radius of the sphere assuming the sphere [...]
A conducting cylinder of length 2 m has a charge of 100 microC and is surrounded by a dielectric constant 3 . find the electric field intensity at a distance of 3 m from the axis of the cylinder.
30
Nov
A conducting cylinder of length 2 m has a charge of 100 microC and is surrounded by a dielectric constant 3 . find the electric field intensity at a distance of 3 m from the axis of the cylinder. A conducting cylinder of length 2 m has a charge of 100 microC and is surrounded [...]
The electric intensity at a point ate a distance 2m from the center of a sphere of radius 20 cm is 3×10⁴ N /C. Find the surface density of charge in charge(in C/m²) on the surface of the sphere
30
Nov
The electric intensity at a point ate a distance 2m from the center of a sphere of radius 20 cm is 3×10⁴ N /C. Find the surface density of charge in charge(in C/m²) on the surface of the sphere The electric intensity at a point ate a distance 2m from the center of a sphere [...]
An isolated conducting sphere of radius 0.1m placed in vacuum carries a positive charge of 0.1μC. Find the electric intensity at a point at a distance 0.2 m from the centre of the sphere.
30
Nov
An isolated conducting sphere of radius 0.1m placed in vacuum carries a positive charge of 0.1μC. Find the electric intensity at a point at a distance 0.2 m from the centre of the sphere. An isolated conducting sphere of radius 0.1m placed in vacuum carries a positive charge of 0.1μC. Find the electric intensity at [...]
An isolated conducting sphere of radius 0.2 m placed in a medium of electric constant 3 carries a positive charge of 0.3 μC. Find the electric intensity at a point at a distance 0.3 m from the surface of the sphere.
30
Nov
An isolated conducting sphere of radius 0.2 m placed in a medium of electric constant 3 carries a positive charge of 0.3 μC. Find the electric intensity at a point at a distance 0.3 m from the surface of the sphere. An electron initially at rest falls a distance of 1.5cm in a uniform electric [...]