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Value of
The effect of variation of frequency on circuit impedance and current has
been shown in Fig. 3.70. At resonant frequency f , the impedance is
0
maximum, i.e., equal to The current at resonance is the minimum and
is equal to I where
0
Figure 3.70 Variation of impedance and current in a parallel resonant circuit
Table 3.1 Comparison Between Series and Parallel Resonance
Parameters Series Circuit Parallel Circuit
Maximum, I = V/R
0
