Electromagnetic Field Theory Skin depth is proportional to √(σ). Frequency. 1/√σ. Permeability. √(σ). Frequency. 1/√σ. Permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Use of larger section of conductor Providing insulation on conductor Any of the above Top loading of antenna Use of larger section of conductor Providing insulation on conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in All of these Tv broadcast Radio astronomy Point to point communication All of these Tv broadcast Radio astronomy Point to point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Equal to the surface charge density. Zero. Equal to total charge enclosed by the surface. Equal to volume change density. Equal to the surface charge density. Zero. Equal to total charge enclosed by the surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. decreases because of stray capacitance as the frequency increases. ANSWER DOWNLOAD EXAMIANS APP
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