The following series L-C-R circuit , when driven by an emf source of angular frequency 70 kilo-radians per second , the circuit effectively behaves like

As shown in figure series L-C-R circuit , when driven by an emf source of angular frequency 70 kilo-radians per second. Prove that the circuit effectively behaves like series R-C circuit .

For an LCR series circuit with an aac source of angular frequency omega .

For an LCR series circuit with an ac source of angular frequency omega .

For an LCR series circuit with an aac source of angular frequency omega .

In L-C-R series circuit

In L-C-R series circuit

In the given circuit, the angular frequency of the voltage source is 70xx10^(3) rad s^(-1) . The circuit effectively behaves like,