In an L-C-R series, AC circuit at resonance

In L-C-R series AC circuit,

In L-C-R series AC circuit,

In RLC series AC circuit at resonance :

For an A.C. L-C-R series circuit at resonant frequency, which of the following is wrong ?

What is impedance of L.C.R. series circuit at resonance?

An LCR series ac circuit is at resonance with 10 V each across L.C and R. If the resistance is halved, the respective voltages across L,C and R are

An LCR series ac circuit is at resonance with 10 V each across L.C and R. If the resistance is halved, the respective voltages across L,C and R are