Chapter 17 – Electric Charge and Field
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What is the electric flux linked with closed surface?
30
Nov
What is the electric flux linked with closed surface? What is the electric flux linked with closed surface? November 30, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 17 - Electric Charge and Field ,
A positively charged sphere of radius 10 cm is surrounded by medium of dielectric constant 10. If the magnitude of the electric field intensity of the point outside the sphere at a distance r from the centre of the sphere is 6.4 x 10^-4 V/m, and the the sphere is 6.4 x 10^-12 C, then r is
30
Nov
A positively charged sphere of radius 10 cm is surrounded by medium of dielectric constant 10. If the magnitude of the electric field intensity of the point outside the sphere at a distance r from the centre of the sphere is 6.4 x 10^-4 V/m, and the the sphere is 6.4 x 10^-12 C, then [...]
A charge 10 μC is placed at the centre of a hemisphere of radius R=10cm as shown. The electric flux through the hemisphere is
30
Nov
A charge 10 μC is placed at the centre of a hemisphere of radius R=10cm as shown. The electric flux through the hemisphere is A charge 10 μC is placed at the centre of a hemisphere of radius R=10cm as shown. The electric flux through the hemisphere is November 30, 2020 Category: Cengage JEE Mains [...]
A disc of radius a/4 having a uniformly distributed charge 6C is placed in the x-y plane with its centre at (−a/2,0,0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x=a/4 to x=5a/4. Two point charges −7C and 3C are placed at (a/4,−a/4,0) and (−3a/4,3a/4,0), respectively. Consider a cubical surface formed by is x surfaces x=±a/2, y=±a/2, z=±a/2. The electric flux through this cubical surface is
30
Nov
A disc of radius a/4 having a uniformly distributed charge 6C is placed in the x-y plane with its centre at (−a/2,0,0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x=a/4 to x=5a/4. Two point charges −7C and 3C are placed at (a/4,−a/4,0) and (−3a/4,3a/4,0), respectively. [...]
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−a/4 ,
0 ) ,
0) and (−3a/4 ,
0). A rod of length a carrying a uniformly distributed charge 8C is placed on the x-axis from x=a/4 to x=5a/4. Two point charges −7C and 3C are placed at (a/4 ,
3a/4 ,
A disc of radius a/4 having a uniformly distributed charge 6C is placed in the x-y plane with its centre at (−a/2 ,
respectively. Consider a cubical surface formed by is x surfaces x=±a/2 ,
y=±a/2 ,
z=±a/2. The electric flux through this cubical surface is ,
Two non-conducting spheres of radii R1 and R2 and carrying uniform volume charge densities +ρ and −ρ, respectively, are placed such that they partially overlap, as shown in the figure. The electric field in the cavity is
30
Nov
Two non-conducting spheres of radii R1 and R2 and carrying uniform volume charge densities +ρ and −ρ, respectively, are placed such that they partially overlap, as shown in the figure. The electric field in the cavity is are placed such that they partially overlap as shown in the figure. The electric field in the cavity [...]
The flux of the point charge q through a circular disc of radius R at a distance a from it is
30
Nov
The flux of the point charge q through a circular disc of radius R at a distance a from it is The flux of the point charge q through a circular disc of radius R at a distance a from it is November 30, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter [...]
Electric dipole of moment P = pi is kept at a point (x,y) in an electric field E = 4 xy^2 i + 4 x^2 y j. Find the magnitude of force acting on the dipole.
30
Nov
Electric dipole of moment P = pi is kept at a point (x,y) in an electric field E = 4 xy^2 i + 4 x^2 y j. Find the magnitude of force acting on the dipole. Electric dipole of moment P = pi is kept at a point (x y) in an electric field E [...]
Three points charges are placed at the corners of an equilateral triangle of side L as shown in the figure: Find the dipole moment of the system.
30
Nov
Three points charges are placed at the corners of an equilateral triangle of side L as shown in the figure: Find the dipole moment of the system. Three points charges are placed at the corners of an equilateral triangle of side L as shown in the figure: Find the dipole moment of the system. November [...]
Find the dipole moment of the charged wire in the form of an arc as shown in figure. Half of the arc has linear charge density +lambda and other half -lambda. The angle subtended by the arc at the center is 2theta0 and radius of arc is R.
30
Nov
Find the dipole moment of the charged wire in the form of an arc as shown in figure. Half of the arc has linear charge density +lambda and other half -lambda. The angle subtended by the arc at the center is 2theta0 and radius of arc is R. An electron initially at rest falls a [...]
Three infinite long charged sheets of charge densities −σ,−2σandσ are placed parallel to, y-plane at z= 0, z= a, z= 3a. Electric field at point P is given as :
30
Nov
Three infinite long charged sheets of charge densities −σ,−2σandσ are placed parallel to, y-plane at z= 0, z= a, z= 3a. Electric field at point P is given as : −2σandσ are placed parallel to Three infinite long charged sheets of charge densities −σ y-plane at z= 0 z= 3a. Electric field at point P [...]