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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 13
21.
The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
null
circle
figure of eight
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The transmitting antennas for lower frequencies (below 500 kHz) are generally
vertical grounded wire type
horizontal suspended wire type
parabolic reflector type
any of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In an home T.V. receiver, the leed in from the antenna is
coaxial cable of 75 Ω
ordinary twisted wire
bar copper wire
twin wire
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
A satellite that simply reflect back the signals from one region of the earth to the other region is known as
orbiting satellite
geostationary satellite
active satellite
passive satellite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Conductivity is measured in terms of
mho/metre
ohm/metre
mho/metre2
ohm/metre2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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