railway RRB JE (CBT I + CBT II) Mock Test 2024 Network Theory Electrical Resonance Parallel Resonance
The circuit comprises a coil of resistance R and inductance L, in parallel with an ideal capacitor C. At the resonant frequency, the impedance of the parallel combination is
1
R
2
\({\frac{{LC}}{{{R_{}}}}_{}}\)
3
\({\frac{L}{{R{C_{}}}}_{}}\)
4
∞