An inductor coil, capacitor and an A.C. source of rms voltage 24V are connected in series. When the frequency of the source is varied, a maximum rms current of 6.0 A is observed. If this inductor coil is connected to a battery of emf 12V and of internal resistance 4 Ω, the current will be ………... × 0.3 amp.
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Current at resonance 
Current by 12 V battery 
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