7 A resistance of 202 is connected across one gap of a metre

Last updated: 6/4/2023

7 A resistance of 202 is connected across one gap of a metre bridge and unknown resistance greater than 202 is connected across the other gap When these resistances are interchanged the balance point shifts by 20 cm neglecting any end correction the unknown resistance is 1 30 2 40 3 50 4 602