<p>A series LCR circuit is made by taking R = 100&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>&#937;</mi></math>, L =&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>2</mn><mn>5</mn></mfrac><mi>H</mi></math>, C =&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>100</mn><mi mathvariant="normal">&#960;</mi></mfrac><mi>&#956;</mi><mi>F</mi></math>. This series combination is connected across an a.c. source of 220V, 50 Hz. Calculate (i) the impedance of the circuit and (ii) the peak value of current flowing in the circuit. Calculate the power factor of this circuit and compare this value with the one at its resonant frequency.</p>