A)
B)
C)
D)
Correct Answer: C
Solution :
[c] Impedance at resonant frequency is minimum in series LCR circuit. So, \[Z=\sqrt{{{R}^{2}}+{{\left( 2\pi fL-\frac{1}{2\pi fC} \right)}^{2}}}\] When frequency is increased or decreased, Z increases.You need to login to perform this action.
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