Correct Answer: Option B

Explanation

At resonance, inductive reactant X_L is equal to the capacitive reactance X_C
i.e. X_L = X_C
and X_L = V_L/I_L
and X_C = V_C/I_C

Again since the components are in series, the same current flows in the series arrangment
i.e. I_L = I_C
at resonance, V_L/I_L = V_C/I_C
∴ V_L = V_C
= 40V

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