Question

With increase in frequency of an A.C. supply,
the impedance of an L-C-R series circuit
(a) remains constant
(b) increases
(c) decreases
(d) decreases at first, becomes minimum and
then increases

Answer 1

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With increase in frequency of an A.C. supply,

the impedance of an L-C-R series circuit

(a) remains constant✔✔

(b) increases

(c) decreases

(d) decreases at first, becomes minimum and

then increases

Answer 2

Explanation:

With increase in frequency of an A.C. supply,increases