Electromagnetic waves are longitudinal in nature. State True/False. a) True b) False

Electromagnetic waves are longitudinal in nature. State True/False.
a) True
b) False
by

1 Answer

Answer :

b) False
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The skin depth is calculated from the amplitude of the wave. State true/false a) True b) False

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In P polarisation, the electric field lies in the same plane as the interface. State True/False. a) True b) False

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In S polarisation, the electric field lies in the plane perpendicular to that of the interface. State True/False a) True b) False

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The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable for parallel polarisation. State True/False. a) True b) False

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The angle of incidence is equal to the angle of reflection for perfect reflection. State True/False. a) True b) False

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The critical angle is defined as the angle of incidence at which the total internal reflection starts to occur. State True/False. a) True b) False

Description : The critical angle is defined as the angle of incidence at which the total internal reflection starts to occur. State True/False. a) True b) False

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An elliptically polarised wave transmitted at the Brewster angle will be received as an elliptically polarised wave. State True/False a) True b) False

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A circularly polarised wave transmitted at the Brewster angle will be received as linearly polarised wave. State True/False a) True b) False

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The core refractive index should be lesser than the cladding refractive index for a coaxial cable. State True/False a) True b) False

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The refractive index of air is unity. State True/False. a) True b) False

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The attenuation in a good dielectric will be non- zero. State True/False. a) True b) False

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In free space, the ratio of frequency to the velocity of light gives the phase constant. State True/False. a) True b) False

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The inductance is proportional to the ratio of flux to current. State True/False. a) True b) False

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In air, the tangential component of flux density is continuous at the boundary. State True/False. a) True b) False

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The tangential component of the magnetic field intensity is continuous at the boundary of separation of two media. State True/False. a) True b) False

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In ferromagnetic materials the susceptibility is infinity. State True/False a) True b) False

Description : In ferromagnetic materials the susceptibility is infinity. State True/False a) True b) False

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The magnetic force impacts the energy of the field. State True/false. a) True b) False

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Inductance is present in semiconductor. State True/False. a) True b) False

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The permeability and permittivity of air or free space is unity. State true/false. a) True b) False

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The energy of a coil depends on the turns. State True/False. a) True b) False

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

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Electric field will be maximum outside the conductor and magnetic field will be maximum inside the conductor. State True/False. a) True b) False

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