Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω/2π. ω / π. ω/4π. ω. ω/2π. ω / π. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True 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 flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? None of these Marconi antenna Hertz antenna Folded dipole None of these Marconi antenna Hertz antenna Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Balun Directional Coupler Slotted line Tee Balun Directional Coupler Slotted line Tee ANSWER DOWNLOAD EXAMIANS APP