A) \[\sqrt{{{R}^{2}}+2{{\pi }^{2}}{{v}^{2}}{{L}^{2}}}\]
B) \[\sqrt{{{R}^{2}}+4{{\pi }^{2}}{{v}^{2}}{{L}^{2}}}\]
C) \[\sqrt{R+4{{\pi }^{2}}{{v}^{2}}{{L}^{2}}}\]
D) \[\sqrt{R+2{{\pi }^{2}}{{v}^{2}}{{L}^{2}}}\]
Correct Answer: B
Solution :
Key Idea: Impedance 15 the effective resistance of L-R series circuit. Let alternating emf be applied to a circuit containing L and R in series.You need to login to perform this action.
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