# Resonance and its applications

### Explanation of question 2

A series resonant circuit is known as

1. a rejector circuit, because its impedance is low
2. a rejector circuit, because its impedance is high
3. an acceptor circuit, because its impedance is low
4. an acceptor circuit, because its impedance is high

The answer is :- 3 A series resonant circuit has low impedance (Z = R). It is therefore known as an acceptor.

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