Electronics and Communication Engineering - Electromagnetic Field Theory

26.
The relative permittivity of the ionosphere at ratio frequencies is
> 1
< 1
= 1
≥ 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Tropospheric scatter propagation is not subject to any fading.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The attenuation in waveguide above to cut off frequency
very high
very low
zero
infinite
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
VSWR is related with reflection co-efficient as
VSWR = 1 + |k|
VSWR = 1 - |k|
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
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 the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.