A series 
circuit containing 5.0 H inductor, 
capacitor and 
resistor is connected to 230 V variable frequency AC source. The angular frequencies of the source at which power transferred to the circuit is half the power at the resonant angular frequency are likely to be [NEET 2021]
and 
and 
and 
and 
Text Solution
Verified by ExpertsC
Given, in the 
series circuit,
L 
C 
Supply voltage, 
We know that, resonance frequency,
Substituting the values in the above equation, we get
Therefore, the angular frequencies of the source at which power transferred to the circuit is half the power at the resonant angular frequency are
… (i)
We know that,
= 4
Using the Eq. (i), we get 
So, the angular frequency is likely to be 
and 
.
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