In the following circuit E1=12 volt and zero internal resistance while the battery E2=2 volt and also has zero internal resistance. If the reading of galvanometer is zero, the value of resistance ‘X’ in ohm is
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In the following circuit E1=12 volt and zero internal resistance while the battery E2=2 volt and also has zero internal resistance. If the reading of galvanometer is zero, the value of resistance ‘X’ in ohm is