NEET Physics: Questions 506 - 509 of 2099
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Question number: 506
Question number: 507
Which is correct statements?
(1) The Wheatstone bridge is most sensitive when all the four resistances are of the same order
(2) Kirchhoff’s first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge.
(3) The rheostat can be used as a potential divider.
(4) In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge.
Select the correct answers and mark it according to the following codes:
1 and 3
1 and 2
2 and 4
1, 2 and 3