What should the resistance of the sections of a rheostat `R_(1)`, `R_(2)` and `R_(3)`
Channel: Doubtnut
Date: 2020-08-23

What should the resistance of the sections of a rheostat `R_(1)`, `R_(2)` and `R_(3)` be in order that the voltmeter (`R_(V) = 3000Omega`) range may change 10,100 and 1000 times when the rheostat slide is shifted from one contact to another.