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A long, straight, solid metal wire of radius 2 mmcarries a current uniformly distributed over itscircular cross-section. The magnetic field ofinduction at a distance 2 mm from its axis is B.Then the magnetic field induction at distance1 mm from axis will beb) B/2d) Bc) 2B |
| Answer» A long, straight, solid metal wire of radius 2 mmcarries a current uniformly distributed over itscircular cross-section. The magnetic field ofinduction at a distance 2 mm from its axis is B.Then the magnetic field induction at distance1 mm from axis will beb) B/2d) Bc) 2B | |