Electronics and Communication Engineering - Electromagnetic Field Theory

36.
In order to receive a vertically polarized wave, the conductor of the dipole should be mounted
horizontally
vertically
at an angle of 45°
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Which of the following statements is incorrect?
The line integral of B around the circuit is called magnetomotive force
Normal components of B are continuous but the normal components of H are not continuous
Magnetic flux lines are bent away from the normal in the medium with the highest value of permeability
The unit of permeability is henry/metre
Answer: Option
Explanation:
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38.
Reflectors and lens antennas are commonly used
in LF communication systems
not beyond 100 kHz
in the range 10 MHz to 100 MHz
above 100 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
In case of concentric conductors of radius a and b the value of capacitance (C) is given by
C = 0
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
In a uniform linear array, four isotropic radiating elements are spaced λ/4 apart. The progressive phase shift between the elements required for forming the main beam at 60° off the end fire is
- p radius
- radius
- radius
- radius
Answer: Option
Explanation:
No answer description is available. Let's discuss.