railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Electrical Resonance Parallel Resonance
The frequency response of the given parallel LRC circuit at resonance is:
1
\(f=\frac{1}{{2\pi \sqrt {LC} }}\)
2
\(f= \frac{1}{{2{\rm{π }} }}\sqrt {\frac 1{LC} - \frac {R^2} {L^2}}\)
3
\(f= \frac{1}{{2{\rm{π }}\sqrt {{\rm{LC}}} }}\sqrt {1 - {{\rm{R}}^2}\frac{{\rm{C}}}{{\rm{L}}}}\)
4
\(f= \frac{1}{{2{\rm{π }} }}\sqrt {{LC} - \frac {R^2} {L^2}}\)