is A resistance of 2 Q2 is connected across one gap of a

Last updated: 6/11/2023

is A resistance of 2 Q2 is connected across one gap of a metre bridge the length of the wire is 100 cm and an unknown resistance greater than 2 connected across the other gap When these resistance are interchanged the balance point shifts by 20 cm Neglecting any corrections the unknown resistance is A 322 0 59 B 42 D 60