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Electromagnetic Theory
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Electromagnetic theory miscellaneous
» Question
Electromagnetic theory miscellaneous
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Electromagnetic Theory
Electromagnetic theory miscellaneous
A stub having load impedance Z
L
and stub length λ/ 2 then input impedance Z
in
is—
Z
L
Z
L
2
√
Z
L
Insufficient data
Correct Option:
A
Z
in
= Z
0
Z
L
+ j Z
0
tanβl
Z
0
+ j Z
L
tanβl
Z
in
= Z
0
Z
L
+ j Z
0
tan π
Z
0
+ j Z
L
tan π
βl =
2π
,
λ
= π
λ
2
∴ l = λ/2
Z
in
=
Z
0
. Z
L
, Z
in
= Z
L
Z
0
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