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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 8
26.
The magnetic field due to current I equals
I/2 pr
I/4 pr
I2/2 pr
I2/4 pr
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
VLF is generally used for
telegraphy
satellite communication
instrument landing system
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
In electromagnetic wave polarization is caused by
refraction
reflection
longitudinal nature of electromagnetic waves
transverse nature of electromagnetic waves
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
In a rectangular waveguide if operating frequency is greater than cut off frequency then propagation constant is
purely real
purely imaginary
equal to unit
a complex number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Isotropic radiator is one that radiates energy
uniformly in all direction
inside a hollow sphere
in a well defined isotropic direction
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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