JEE Main & Advanced Sample Paper JEE Main - Mock Test - 6

  • question_answer
    In the circuit shown in figure AB is a uniform wire of length\[L=5\text{ }m\]. It has a resistance of\[2\Omega /m\]. When \[AC=2.0\text{ }m,\]it was found that the galvanometer shows zero reading when switch S is placed in either of the two positions 1 or 2. Find the emf \[{{E}_{1}}\](in V)



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