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A circuit when connected to an AC source of 12 V gives a current of 0.2 A. The same circuit when connected to a DC source of 12 V, gives a current of 0.4 A. The circuit is
Detailed Solution
AC: $Z=\frac{12}{0.2}=60\ \Omega$. DC: $R=\frac{12}{0.4}=30\ \Omega$. DC current flows (no capacitor) and $Z>R$ (reactance present), so the circuit is series LR.