When a metal conductor connected in the left gap of a metre bridge is heated, the null point
A. will shift towards right
B. will shift towards left
C. will remain unchanged
D. will shift towards right or left depending upon the resistivity of the metal.
Answer:A
When a metal conductor connected in the left gap of a metre bridge is heated, the null point
A. will shift towards right B. will shift towards left C. will remain unchanged D. will shift towards right or left depending upon the resistivity of the metal.