Two circular coils `P` and `Q` are made from similar wire but radius of `Q` is twice that of `P`.
Channel: Doubtnut
Date: 2020-02-16

Two circular coils `P` and `Q` are made from similar wire but radius of `Q` is twice that of `P`. Relation between the values of potential difference across them so that the magnetic induction at their centers may be the same is