NEET Physics Wheatstone Bridge Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Balanced bridge | (i) I 1 = I 3 |
| (b) Unbalanced bridge | (ii) I 2 = I 4 |
| (c) Null deflection | (iii) No current through galvanometer |
| (d) Galvanometer reading | (iv) Indicates resistance difference |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-ii, d-i
Correct Answer
Detailed Explanation
In a balanced Wheatstone bridge, the currents I 1 and I 3 are equal, and I 2 and I 4 are also equal, leading to no current through the galvanometer, which indicates a null deflection. This is the condition for determining unknown resistances.
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