Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electric field. electrons. protons. neutrons. electric field. electrons. protons. neutrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 150. 600. 450. 300. 150. 600. 450. 300. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Marconi antenna None of these Folded dipole Hertz antenna Marconi antenna None of these Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 225. 250. 150. 145. 225. 250. 150. 145. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 3000 to 30000 MHz 3 to 30 kHz 30000 to 300000 MHz 300 to 3000 kHz 3000 to 30000 MHz 3 to 30 kHz 30000 to 300000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP