(chatquestion)...Q.29 Which of the following statements is false ? (1) Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude (2) In a balanced Wheatstone bridge if the cell and the galvanometer are exchanged, the null point is disturbed (3) A rheostat can be used as a potential divider (4) Kirchhoff's second law represents energy conservation

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