# Question

(a) If the circuit in Fig. 21.17 is in resonance, the impedance of the circuit is (1) greater than 25-Ω,

(2) Equal to 25-Ω, (3) less than 25-Ω. Why?

(b) If the driving frequency is 60 Hz, what is the circuit’s impedance?

(2) Equal to 25-Ω, (3) less than 25-Ω. Why?

(b) If the driving frequency is 60 Hz, what is the circuit’s impedance?

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