38. In determining the resistance of a given wire with the help of metre bridge, the null-point is obtained at a distance of 40 cm on taking out 20 resistance from the resistance box. What is the resistance of the wire? To obtain the null-point at a distance of 60 cm, how much resistance in ohm, will have to be taken out from the resistance box.
plz don't spam
Answers
Answered by
3
Answer:
if you find ithelpful then please mark me as a brainlist..
Attachments:
Similar questions