Question

in potentiometer experiment, if length of wire is doubled, the accuracy in determing its null point will
Increase
Decrease
Remains unchanged
None​

Answer 1

Answer:

increase.....

The null deflection point reading will be the same fraction of the total length of wire. In other words, if you had a 1 meter potentiometer wire and the null deflection point was at 64cm, then with 50 cm the null would be at 32cm and with a 2m potentiometer wire the null would be at 120 cm

hope it helps :)