Question

12. When unknown resistance is determined by meter bridge, the error due to contact
resistance is minimized_______.
(A) by connecting both the resistances only in one gap.
B) by interchanging the positions of known and unknown resistance.
(C) by using uniform wire.
(D) by obtaining the null point near the ends of the wire.
​

Answer 1

Answer:

c is the correct answer

Explanation:

please mark as brainliest and give thanks