In Fig. 20.2, if I = 3/4 and C and D are short-circuited, the
impedance between A and B at a frequency of
Hz will be
The answer is :- 4 A stub of length (where n is a whole number) will present at
the operating frequency a high impedance when the other end is
open-circuited and a low impedance when the other end is
short-circuited. A stub of length
, etc., will present at the operating frequency
a low impedance when the other end is open-circuited and a high
impedance when the other end is short-circuited.
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