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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 6
16.
The curve representing Ohm's law is
linear
a parabola
a hyperbola
sine function
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
When a plane wave is incident normally from dielectric '1' (μ0, ε1) onto dielectric '2' (μ0, ε2) the electric field of the transmitted wave is 2 times the electric field of the reflected wave. The ratio ε2/ε1 is
0.5
1
2
4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The electric intensity for free space is given by
ε0d
σ/ε0
σ.ε0
d/ε0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Which of following antenna not produces circular polarisation?
Helical
Parabolic
Disc
Yagi
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Purpose of antenna is
to transmit and receive energy
to convert EM into electrical
to convert electrical into EM
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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