Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ∈ = μ. ∈ = μσ. ∈ is a scalar constant. ∈ is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is Zero. √ 2 V. 1 V. 2 V. Zero. √ 2 V. 1 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of current flowing through the conductor. length of conductor. flux density. cross-sectional area of conductor. current flowing through the conductor. length of conductor. flux density. cross-sectional area of conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? All of these Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
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