6 Question-Answer on Wheat stone bridge principle 1. Why is the wheatstone bridge better than the other methods of measuring resistances? (a) It does not involve Ohm’s law (b) It is based on Kirchhoff’s law (c) It has four resistor arms (d) It is a null method. Ans: (d) 2. If the experiment of Wheatstone’s bridge, the position of cells and galvanometer are interchanged, then balance point will (a) Change (b) Remain unchanged (c) Depend on the internal resistance of cell and resistance of galvanometer (d) None of these Ans: ( b) 3. In Meter Bridge or wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is: (a) End correction (b) ...
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