At a given frequency, a series circuit has a
resistance of 3, an inductive reactance of 4
, and a capacitive reactance of 4
. The impedance of the circuit
is
The answer is :- 1 In a series circuit, where the inductive
and capacitive reactances are equal, they cancel to produce a
zero impedance circuit. Thus the overall impedance is equal to
the DC resistance of the circuit, in this case, 3
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