Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db 6 db 4.15 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VHF HF UHF VLF VHF HF UHF VLF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. (A), (B), and (D) are all correct. filament current only. surface current only. volume current only. (A), (B), and (D) are all correct. filament current only. surface current only. 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 1 V. 2 V. Zero. √ 2 V. 1 V. 2 V. Zero. √ 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. none of these. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as self inductance. mutual inductance. series aiding inductance. capacitance. self inductance. mutual inductance. series aiding inductance. capacitance. ANSWER DOWNLOAD EXAMIANS APP
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