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Differentiate between series and parallel resonance wth respect to
i) Impedance at resonance
ii) Current at resonance
iii) Magnification factor
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written 3.0 years ago by
teamques10
★ 65k
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| Parameter | Series circuit | Parallel circuit |
|---|---|---|
| Impedance at resonance | Z = R and is minimum at resonance | $Z=L/CR$ and is maximum at resonance |
| Current at resonance | ${I=\frac{V}{Z} = \frac{V}{R}}$ and is maximum at resonance | ${I=\frac {V}{Z}=\frac {V}{(L/CR)}=\frac{VCR}{L}}$ and is minimum at resonance |
| Magnification factor | It is the measure of voltage magnification in the series resonance circuit. | |
| ${Q_o=\frac{Voltage\,through\,inductor\,or\,capacitor}{Voltage\,at\,resonance}}$ | It is the measure of current magnification in parallel resonance circuit. | |
| ${Q_o={\frac{Current\,through\,inductor\,or\,Capacitor}{Current\,at\, resonance}}}$ |
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