Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μσ. ∈ = μ. ∈ is a scalar constant. ∈ is zero. ∈ = μσ. ∈ = μ. ∈ is a scalar constant. 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 Wave frequency Distance of the point from the antenna Antenna height Current of the antenna Wave frequency Distance of the point from the antenna Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass low frequencies. to block low frequencies. to pass high frequencies. none of above. to pass low frequencies. to block low frequencies. to pass high frequencies. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is finite. infinite. none of tha above. zero. finite. infinite. none of tha above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on the number of their turns. permeability of core. cross sectional area of their common core. all of above. the number of their turns. permeability of core. cross sectional area of their common core. all of above. ANSWER DOWNLOAD EXAMIANS APP