M.Sc. Bio-Physics (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

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27.

Which of the following statements is false?

A: Wheatstone bridge is the most sensitive when all the four resistances are of the same order of magnitude.
B: In a balanced wheat stone bridge if the cell and the galvanometer are exchanged, the null point is disturbed.
C: A rheostat can be used as a potential divider.
D: Kirchhoff’s second law represents energy conservation.

The answer is: B