Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
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 __________ . Reflection Refraction Transmission None of these Reflection Refraction Transmission None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon 11 year sun spot cycle Received frequency by receiver Electron density of the ionospheric layer Height of ionospheric layer 11 year sun spot cycle Received frequency by receiver Electron density of the ionospheric layer Height of ionospheric layer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 72 πuz v/m. – 10 uz v/m. – 360 πuz v/m. – 18 πuz v/m. – 72 πuz v/m. – 10 uz v/m. – 360 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. dynamically induced emf. both A and B. None of these static induced emf. dynamically induced emf. both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
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