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Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .
Refraction
Reflection
None of these
Transmission
Refraction
Reflection
None of these
Transmission
Answer
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Related Question
Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on
all of above.
permeability of core.
the number of their turns.
cross sectional area of their common core.
all of above.
permeability of core.
the number of their turns.
cross sectional area of their common core.
Answer
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Electromagnetic Field Theory
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called
Dispersion
Scattering
Polarisation
Absorption
Dispersion
Scattering
Polarisation
Absorption
Answer
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Electromagnetic Field Theory
In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t)
(103/377) sin(ωt - β z)(-ux) A/m.
(103/377) cos(ωt - β z)(-ux) A/m.
None of above.
(103/377) sin(ωt - β z)(ux) A/m.
(103/377) sin(ωt - β z)(-ux) A/m.
(103/377) cos(ωt - β z)(-ux) A/m.
None of above.
(103/377) sin(ωt - β z)(ux) A/m.
Answer
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Electromagnetic Field Theory
In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t)
(103/377) sin(ωt - β z)(-ux) A/m.
None of above.
(103/377) cos(ωt - β z)(-ux) A/m.
(103/377) sin(ωt - β z)(-uy) A/m.
(103/377) sin(ωt - β z)(-ux) A/m.
None of above.
(103/377) cos(ωt - β z)(-ux) A/m.
(103/377) sin(ωt - β z)(-uy) A/m.
Answer
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Electromagnetic Field Theory
The Kirchhoff’s current law is implict in expression
Divergence of D = ρv.
Surface integral of (j.ds) = 0.
Divergence of B = 0.
Curl of H = J + (δ D)/(δ t).
Divergence of D = ρv.
Surface integral of (j.ds) = 0.
Divergence of B = 0.
Curl of H = J + (δ D)/(δ t).
Answer
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