A steady current `I` flows along an infinitely long hollow cylindrical conductor of radius `
Channel: Doubtnut
Date: 2020-07-05

A steady current `I` flows along an infinitely long hollow cylindrical conductor of radius `R`. This cylinder is placed coaxially inside an infinite solenoid of radius `2 R`. The solenoid  has a `n` turns per unit  length and carries a steady current `I`. Consider a point `p` at a distance `r` from the common axis . The correct statement(s) is (are)