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 The magnitude of the induced emf in a conductor depends upon on the amount of flux linkage. rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Current of the antenna Distance of the point from the antenna Wave frequency Antenna height Current of the antenna Distance of the point from the antenna Wave frequency Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Infinity None of these Zero Unity Infinity None of these Zero Unity ANSWER DOWNLOAD EXAMIANS APP
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