A 100mH inductor, a 25 uF capacitor and a 15 ohm resistor are connected in series to a , 120V, 50Hz ac source. Impedance of the circuit at resonance will be ?
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At resonance, XL = XC (inductive reactance = capacitive reactance) XL = XC 2πfL = 1 / (2πfC) 2π * 50 * 100mH = 1 / (2π * 50 * 25uF) 100π mH = 1 / (100π uF) 100π * 10^-3 = 1 / (100π * 10^-6) 100 = 1 / 100 100 = 100 Show more…
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