What is condition for resonance? Derive an expression for resonant frequency of LCR circuit.
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Explanation:
The condition for resonance is Xl = Xc
i.e. When inductive reactance = Capacitive reactance
Xl = Xc
wl = 1/wc
w2 = 1/lc
w = 1/ root lc
since w = 2pief
2pief = 1/ root lc
f = 1/2pie lc
where f is resonant frequency.
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