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