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Electromagnetic-theory Questions Set 13:

Quiz Mode

The correct sequence to find H, when D is given is?

D-B-E-H

D-E-B-H

D-H

D-E-H

Solution:

What is a vector field called if its curl is zero?

Irrotational

Rotational

Solenoidal

Spiral

Solution:

According to Maxwell's equations, the velocity of light in any medium is expressed as

1/(μ₀ε₀)½

1/(√(με))½

1/(μ/ε)½

(μ₀/ε)½

Solution:

If the open-circuit impedance (Z_oc) is 120Ω and the short-circuit impedance (Z_sc) is 30Ω, then the characteristic impedance (Z₀) is:

3600

150

2400

Solution:

The armature voltage control of a D.C. motor provides a:

(a) Constant torque drive

(b) Constant voltage drive

(d) None of the above

Solution:

Find the Brewster's Angle when the refractive index of medium 1 is n1 = 1.23 and the refractive index of medium 2 is n2 = 1.89.

56.94°

33.05°

42.55°

63.42°

Solution:

The groups of limited number of magnetic lines of force forming a tube-like structure within the magnetic material are known as

lines of force

tubes of indication

magnetic flux

none of them

Solution:

Two parallel large thin metal sheets have equal surface charge densities of 2.5×10^-11 C/cm² of opposite signs. The electric field between these sheets is:

1.5 N/C

1.5×10^-10 N/C

3 N/C

3×10^-10 N/C

Solution:

The order of decreasing wavelength for microwave, infrared, ultraviolet, and gamma rays is:

microwave, infrared, ultraviolet, gamma rays

gamma rays, ultraviolet, infrared, microwave

microwave, gamma rays, infrared, ultraviolet

infrared, microwave, ultraviolet, gamma rays

Solution:

A particle of mass M and charge Q moving with velocity v describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the magnetic field when the particle completes one full circle is

Zero

(Mv²/R) × 2π×R

BQ(2π×R)

BQv(2π×R)

Electromagnetic-theory Questions Set 13:

The correct sequence to find H, when D is given is?

Solution:

What is a vector field called if its curl is zero?

Solution:

According to Maxwell's equations, the velocity of light in any medium is expressed as

Solution:

If the open-circuit impedance (Z_oc) is 120Ω and the short-circuit impedance (Z_sc) is 30Ω, then the characteristic impedance (Z₀) is:

Solution:

The armature voltage control of a D.C. motor provides a:

Solution:

Find the Brewster's Angle when the refractive index of medium 1 is n1 = 1.23 and the refractive index of medium 2 is n2 = 1.89.

Solution:

The groups of limited number of magnetic lines of force forming a tube-like structure within the magnetic material are known as

Solution:

Two parallel large thin metal sheets have equal surface charge densities of 2.5×10^-11 C/cm² of opposite signs. The electric field between these sheets is:

Solution:

The order of decreasing wavelength for microwave, infrared, ultraviolet, and gamma rays is:

Solution:

A particle of mass M and charge Q moving with velocity v describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the magnetic field when the particle completes one full circle is

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 13:

The correct sequence to find H, when D is given is?

Solution:

What is a vector field called if its curl is zero?

Solution:

According to Maxwell's equations, the velocity of light in any medium is expressed as

Solution:

If the open-circuit impedance (Zoc) is 120Ω and the short-circuit impedance (Zsc) is 30Ω, then the characteristic impedance (Z0) is:

Solution:

The armature voltage control of a D.C. motor provides a:

Solution:

Find the Brewster's Angle when the refractive index of medium 1 is n1 = 1.23 and the refractive index of medium 2 is n2 = 1.89.

Solution:

The groups of limited number of magnetic lines of force forming a tube-like structure within the magnetic material are known as

Solution:

Two parallel large thin metal sheets have equal surface charge densities of 2.5×10-11 C/cm2 of opposite signs. The electric field between these sheets is:

Solution:

The order of decreasing wavelength for microwave, infrared, ultraviolet, and gamma rays is:

Solution:

A particle of mass M and charge Q moving with velocity v describes a circular path of radius R when subjected to a uniform transverse magnetic field of induction B. The work done by the magnetic field when the particle completes one full circle is

Solution:

Related Question Sets:

Related Topics:

If the open-circuit impedance (Z_oc) is 120Ω and the short-circuit impedance (Z_sc) is 30Ω, then the characteristic impedance (Z₀) is:

Two parallel large thin metal sheets have equal surface charge densities of 2.5×10^-11 C/cm² of opposite signs. The electric field between these sheets is: