Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as V = IR. J = σE. J = E / σ. R = ρ × ( l / A). V = IR. J = σE. J = E / σ. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. phase velocity. normal velocity. group velocity. velocity of propagation. phase velocity. normal velocity. group velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is increasing towards centre. none of above. decreasing towards centre. zero. increasing towards centre. none of above. decreasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ∈ is a scalar constant. ∈ = μ. ∈ is zero. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the HF VHF UHF VLF HF VHF UHF VLF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS