filmov
tv
The figure shows a meter-bridge circuit, `X = 12 Omega` and `R = 18 Omega`. The jockey

Показать описание
The figure shows a meter-bridge circuit, `X = 12 Omega` and `R = 18 Omega`. The jockey `J` is at the null point. If `R` is made `8 Omega` through what distance will the the jockey `J` have to be moved to obtained null point again?