Q. Match the entries of Column I with their correct mathematical expressions in Column II
Column I Column II
A Balanced condition of wheatstone bridge 1
B Comparison of emf of two cells field. 2
C Determination of internal resistance of a cell 3
D Determination of unknown resistance by meter bridge 4

 164  141 Current Electricity Report Error

Solution:

Correct answer is (b) (A) (1); (B) (3); (4); (D) (2)