Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Low directional coupling Narrow bandwidth High standing wave ratio Poor directivity Low directional coupling Narrow bandwidth High standing wave ratio Poor directivity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Anywhere. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The value of current The weight of the conductor The direction of the conductor None of these The value of current The weight of the conductor The direction of the conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Less than Equal to No relation Higher than Less than Equal to No relation Higher than ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory RF inductor are characterized by high current rating and high resistance. low current rating and low resistance. high current rating and low resistance. low current rating and high resistance. high current rating and high resistance. low current rating and low resistance. high current rating and low resistance. low current rating and high resistance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. Both are zero. It is zero for the electric flux density. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. Both are zero. It is zero for the electric flux density. ANSWER DOWNLOAD EXAMIANS APP
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