Current Electricity

Question: In the circuit shown in the adjoining figure, the current between B and D is zero, the unknown resistance is of

1) $4\,\Omega $

2) $2\,\Omega $

3) $3\,\Omega $

4) em.f. of a cell is required to find the value of X

Solution:

Explanation: No Explanation

Grouping of Resistors Combination of Resistors

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