If the electric potential is given, which of the following cannot be calculated? a) Electrostatic energy b) Electric field intensity c) Electric flux density d) Permittivity

If the electric potential is given, which of the following cannot be calculated?
a) Electrostatic energy
b) Electric field intensity
c) Electric flux density
d) Permittivity
by

1 Answer

Answer :

a) Electrostatic energy
by

Related questions

Gauss law cannot be used to find which of the following quantity? a) Electric field intensity b) Electric flux density c) Charge d) Permittivity

Description : Gauss law cannot be used to find which of the following quantity? a) Electric field intensity b) Electric flux density c) Charge d) Permittivity

Last Answer : d) Permittivity

The electrostatic energy in an electric field does not depend on which of the following? a) Magnitude of charges b) Permittivity c) Applied electric field d) Flux lines

Description : The electrostatic energy in an electric field does not depend on which of the following? a) Magnitude of charges b) Permittivity c) Applied electric field d) Flux lines

Last Answer : c) Applied electric field

The electric flux density is the a) Product of permittivity and electric field intensity b) Product of number of flux lines and permittivity c) Product of permeability and electric field intensity d) Product of number of flux lines and permeability

Description : The electric flux density is the a) Product of permittivity and electric field intensity b) Product of number of flux lines and permittivity c) Product of permeability and electric field intensity d) Product of number of flux lines and permeability

Last Answer : a) Product of permittivity and electric field intensity

The electric flux density of a surface with permittivity of 2 is given by 12 units. What the flux density of the surface in air? a) 24 b) 6 c) 1/6 d) 0

Description : The electric flux density of a surface with permittivity of 2 is given by 12 units. What the flux density of the surface in air? a) 24 b) 6 c) 1/6 d) 0

Last Answer : b) 6

Calculate the energy in an electric field with flux density 6 units and field intensity of 4 units. a) 12 b) 24 c) 36 d) 48

Description : Calculate the energy in an electric field with flux density 6 units and field intensity of 4 units. a) 12 b) 24 c) 36 d) 48

Last Answer : a) 12

The electric field intensity of a surface with permittivity 3.5 is given by 18 units. What the field intensity of the surface in air? a) 5.14 b) 0.194 c) 63 d) 29

Description : The electric field intensity of a surface with permittivity 3.5 is given by 18 units. What the field intensity of the surface in air? a) 5.14 b) 0.194 c) 63 d) 29

Last Answer : c) 63

Calculate the energy in an electric field with permittivity of 56 and field intensity of 36π(in μJ) a) 3.16 b) 5.16 c) 7.16 d) 9.16

Description : Calculate the energy in an electric field with permittivity of 56 and field intensity of 36π(in μJ) a) 3.16 b) 5.16 c) 7.16 d) 9.16

Last Answer : a) 3.16

The ultimate result of the divergence theorem evaluates which one of the following? a) Field intensity b) Field density c) Potential d) Charge and flux

Description : The ultimate result of the divergence theorem evaluates which one of the following? a) Field intensity b) Field density c) Potential d) Charge and flux

Last Answer : d) Charge and flux

The electric field intensity of a field with velocity 10m/s and flux density of 2.8 units is a) 0.28 b) 28 c) 280 d) 10/2.8

Description : The electric field intensity of a field with velocity 10m/s and flux density of 2.8 units is a) 0.28 b) 28 c) 280 d) 10/2.8

Last Answer : b) 28

Which quantity is solenoidal in the electromagnetic theory? a) Electric field intensity b) Electric flux density c) Magnetic field intensity d) Magnetic flux density

Description : Which quantity is solenoidal in the electromagnetic theory? a) Electric field intensity b) Electric flux density c) Magnetic field intensit d) Magnetic flux density

Last Answer : d) Magnetic flux density

Find the electric flux density surrounding a material with field intensity of 2xyz placed in transformer oil ( εr = 2.2) at the point P(1,2,3) is (in 10 -10 units) a) 2.1 b) 2.33 c) 2.5 d) 2.77

Description : Find the electric flux density surrounding a material with field intensity of 2xyz placed in transformer oil ( εr = 2.2) at the point P(1,2,3) is (in 10 -10 units) a) 2.1 b) 2.33 c) 2.5 d) 2.77

Last Answer : c) 2.5

The electric flux density and electric field intensity have which of the following relation? a) Linear b) Nonlinear c) Inversely linear d) Inversely nonlinear

Description : The electric flux density and electric field intensity have which of the following relation? a) Linear b) Nonlinear c) Inversely linear d) Inversely nonlinear

Last Answer : a) Linear

The permittivity is also called a) Electrostatic energy b) Dielectric constant c) Dipole moment d) Susceptibility

Description : The permittivity is also called a) Electrostatic energy b) Dielectric constant c) Dipole moment d) Susceptibility

Last Answer : b) Dielectric constant

The line integral of the magnetic field intensity is the a) Current density b) Current c) Magnetic flux density d) Magnetic moment

Description : The line integral of the magnetic field intensity is the a) Current density b) Current c) Magnetic flux density d) Magnetic moment

Last Answer : b) Current

Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Description : Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Last Answer : a) 19.09

The magnetic flux density is directly proportional to the magnetic field intensity. State True/False. a) True b) False

Description : The magnetic flux density is directly proportional to the magnetic field intensity. State True/False. a) True b) False

Last Answer : a) True

The charge density of a field with a position vector as electric flux density is given by a) 0 b) 1 c) 2 d) 3

Description : The charge density of a field with a position vector as electric flux density is given by a) 0 b) 1 c) 2 d) 3

Last Answer : d) 3

Choose the best definition of dielectric loss. a) Absorption of electric energy by dielectric in an AC field b) Dissipation of electric energy by dielectric in a static field c) Dissipation of heat by dielectric d) Product of loss tangent and relative permittivity

Description : Choose the best definition of dielectric loss. a) Absorption of electric energy by dielectric in an AC field b) Dissipation of electric energy by dielectric in a static field c) Dissipation of heat by dielectric d) Product of loss tangent and relative permittivity

Last Answer : a) Absorption of electric energy by dielectric in an AC field

Calculate the energy when the magnetic intensity and magnetic flux density are 15 and 65 respectively. a) 755 b) 487.5 c) 922 d) 645

Description : Calculate the energy when the magnetic intensity and magnetic flux density are 15 and 65 respectively. a) 755 b) 487.5 c) 922 d) 645

Last Answer : b) 487.5

Gauss law can be used to compute which of the following? a) Permittivity b) Permeability c) Radius of Gaussian surface d) Electric potential

Description : Gauss law can be used to compute which of the following? a) Permittivity b) Permeability c) Radius of Gaussian surface d) Electric potential

Last Answer : c) Radius of Gaussian surface

The charge density of a electrostatic field is given by a) Curl of E b) Divergence of E c) Curl of D d) Divergence of D

Description : The charge density of a electrostatic field is given by a) Curl of E b) Divergence of E c) Curl of D d) Divergence of D

Last Answer : d) Divergence of D

Find the electric field when the velocity of the field is 12m/s and the flux density is 8.75 units. a) 510 b) 105 c) 150 d) 165

Description : Find the electric field when the velocity of the field is 12m/s and the flux density is 8.75 units. a) 510 b) 105 c) 150 d) 165

Last Answer : b) 105

Which of the following correctly states Gauss law? a) Electric flux is equal to charge b) Electric flux per unit volume is equal to charge c) Electric field is equal to charge density d) Electric flux per unit volume is equal to volume charge density

Description : Which of the following correctly states Gauss law? a) Electric flux is equal to charge b) Electric flux per unit volume is equal to charge c) Electric field is equal to charge density d) Electric flux per unit volume is equal to volume charge density

Last Answer : d) Electric flux per unit volume is equal to volume charge density

Electric flux density in electric field is referred to as a) Number of flux lines b) Ratio of flux lines crossing a surface and the surface area c) Direction of flux at a point d) Flux lines per unit area

Description : Electric flux density in electric field is referred to as a) Number of flux lines b) Ratio of flux lines crossing a surface and the surface area c) Direction of flux at a point d) Flux lines per unit area

Last Answer : b) Ratio of flux lines crossing a surface and the surface area

When electric potential is null, then the electric field intensity will be a) 0 b) 1 c) dA/dt d) –dA/dt

Description : When electric potential is null, then the electric field intensity will be a) 0 b) 1 c) dA/dt d) –dA/dt

Last Answer : d) –dA/dt

The line integral of the electric field intensity is a) Mmf b) Emf c) Electric potential d) Magnetic potential

Description : The line integral of the electric field intensity is a) Mmf b) Emf c) Electric potential d) Magnetic potential

Last Answer : b) Emf

Calculate the electric field intensity of a line charge of length 2m and potential 24V. a) 24 b) 12 c) 0.083 d) 12.67

Description : Calculate the electric field intensity of a line charge of length 2m and potential 24V. a) 24 b) 12 c) 0.083 d) 12.67

Last Answer : b) 12

If potential V = 20/(x 2 + y 2 ). The electric field intensity for V is 40(x i + y j)/(x 2 + y 2 ) 2 . State True/False. a) True b) False

Description : If potential V = 20/(x 2 + y 2 ). The electric field intensity for V is 40(x i + y j)/(x 2 + y 2 ) 2 . State True/False. a) True b) False

Last Answer : a) True

The electric field intensity is the negative gradient of the electric potential. State True/False. a) True b) False

Description : The electric field intensity is the negative gradient of the electric potential. State True/False. a) True b) False

Last Answer : a) True

Find the flux density B when the potential is given by x i + y j + z k in air. a) 12π x 10 -7 b) -12π x 10 -7 c) 6π x 10 -7 d) -6π x 10 -7

Description : Find the flux density B when the potential is given by x i + y j + z k in air. a) 12π x 10 -7 b) -12π x 10 -7 c) 6π x 10 -7 d) -6π x 10 -7

Last Answer : b) -12π x 10 -7

Find the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100

Description : Find the current density of a material with resistivity 20 units and electric field intensity 2000 units. a) 400 b) 300 c) 200 d) 100

Last Answer : d) 100

Find the electric field intensity of transformer oil (εr = 2 approx) with density 1/4π (in 10 9 units) a) 2.5 b) 3.5 c) 4.5 d) 5.5

Description : Find the electric field intensity of transformer oil (εr = 2 approx) with density 1/4π (in 10 9 units) a) 2.5 b) 3.5 c) 4.5 d) 5.5

Last Answer : c) 4.5

Find the electric flux density of a material whose charge density is given by 12 units in a volume region of 0.5 units. a) 12 b) 24 c) 6 d) 48

Description : Find the electric flux density of a material whose charge density is given by 12 units in a volume region of 0.5 units. a) 12 b) 24 c) 6 d) 48

Last Answer : c) 6

Find the charge density when the electric flux density is given by 2x i + 3y j + 4z k. a) 10 b) 9 c) 24 d) 0

Description : Find the charge density when the electric flux density is given by 2x i + 3y j + 4z k. a) 10 b) 9 c) 24 d) 0

Last Answer : b) 9

If the radius of a sphere is 1/(4π)m and the electric flux density is 16π units, the total flux is given by, a) 2 b) 3 c) 4 d) 5

Description : If the radius of a sphere is 1/(4π)m and the electric flux density is 16π units, the total flux is given by, a) 2 b) 3 c) 4 d) 5

Last Answer : c) 4

Given the magnetic field is 2.4 units. Find the flux density in air(in 10 -6 order). a) 2 b) 3 c) 4 d) 5

Description : Given the magnetic field is 2.4 units. Find the flux density in air(in 10 -6 order). a) 2 b) 3 c) 4 d) 5

Last Answer : b) 3

Given the vector potential is 16 – 12sin y j. Find the field intensity at the origin. a) 28 b) 16 c) 12 d) 4

Description : Given the vector potential is 16 – 12sin y j. Find the field intensity at the origin. a) 28 b) 16 c) 12 d) 4

Last Answer : c) 12

Zero permeability/permittivity implies which state? a) No ions are allowed in the medium b) No current is generated in the medium c) No magnetic or electric energy is permitted in the medium d) No resistivity

Description : Zero permeability/permittivity implies which state? a) No ions are allowed in the medium b) No current is generated in the medium c) No magnetic or electric energy is permitted in the medium d) No resistivity

Last Answer : c) No magnetic or electric energy is permitted in the medium

The total current density is given as 0.5i + j – 1.5k units. Find the curl of the magnetic field intensity. a) 0.5i – 0.5j + 0.5k b) 0.5i + j -1.5k c) i – j + k d) i + j – k

Description : The total current density is given as 0.5i + j – 1.5k units. Find the curl of the magnetic field intensity. a) 0.5i – 0.5j + 0.5k b) 0.5i + j -1.5k c) i – j + k d) i + j – k

Last Answer : b) 0.5i + j -1.5k

Find the magnetic flux density when the vector potential is a position vector. a) 1 b) 0 c) -1 d) ∞

Description : Find the magnetic flux density when the vector potential is a position vector. a) 1 b) 0 c) -1 d) ∞

Last Answer : b) 0

The relation between flux density and vector potential is a) B = Curl(A) b) A = Curl(B) c) B = Div(A) d) A = Div(B)

Description : The relation between flux density and vector potential is a) B = Curl(A) b) A = Curl(B) c) B = Div(A) d) A = Div(B)

Last Answer : a) B = Curl(A)

Find the magnetic flux density of the material with magnetic vector potential A = y i + z j + x k. a) i + j + k b) –i – j – k c) –i-j d) –i-k

Description : Find the magnetic flux density of the material with magnetic vector potential A = y i + z j + x k. a) i + j + k b) –i – j – k c) –i-j d) –i-k

Last Answer : b) –i – j – k

Find the Maxwell first law value for the electric field intensity is given by A sin wt az a) 0 b) 1 c) -1 d) A

Description : Find the Maxwell first law value for the electric field intensity is given by A sin wt az a) 0 b) 1 c) -1 d) A

Last Answer : a) 0

The skin depth is used to find which parameter? a) DC resistance b) AC resistance c) Permittivity d) Potential

Description : The skin depth is used to find which parameter? a) DC resistance b) AC resistance c) Permittivity d) Potential

Last Answer : b) AC resistance

When a material has zero permittivity, the maximum potential that it can possess is a) ∞ b) -∞ c) Unity d) Zero

Description : When a material has zero permittivity, the maximum potential that it can possess is a) ∞ b) -∞ c) Unity d) Zero

Last Answer : d) Zero

Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Description : Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Last Answer : (b) Magnetic field intensity

The charge density of a system with the position vector as electric flux density is a) 0 b) 1 c) 2 d) 3

Description : The charge density of a system with the position vector as electric flux density is a) 0 b) 1 c) 2 d) 3

Last Answer : d) 3

In a medium other than air, the electric flux density will be a) Solenoidal b) Curl free c) Irrotational d) Divergent

Description : In a medium other than air, the electric flux density will be a) Solenoidal b) Curl free c) Irrotational d) Divergent

Last Answer : d) Divergent

In the medium of free space, the divergence of the electric flux density will be a) 1 b) 0 c) -1 d) Infinity

Description : In the medium of free space, the divergence of the electric flux density will be a) 1 b) 0 c) -1 d) Infinity

Last Answer : b) 0

Find the electric flux density of a material with charge density 16 units in unit volume. a) 1/16 b) 16t c) 16 d) 162

Description : Find the electric flux density of a material with charge density 16 units in unit volume. a) 1/16 b) 16t c) 16 d) 162

Last Answer : c) 16