A long cylinder of wire of radius 'a' carries a current i distributed uniformly over its cross section. If the magnetic fields at distances `rlta and Rgta` from the axis have equal magnitude, then

A long, straight wire of radius R carries a current distributed uniformly over its cross section. The magnitude of the magnetic field is

A long thick conducting cylinder of radius 'R' carries a current uniformly distributed over its cross section :

A long, cylindrical wire of radius b carries a current i distributed uniformly over its cross section. Find the magnitude of the magnetic field at a point inside the wire at a distance a from the axis.

Current flows through a straight cylindrical conductor of radius r. The current is distributed uniformly over its cross-section. The magnetic field at a distanace x from the axis of the conductor has magnitude B:

A cylindrical long wire of radius R carries a current I uniformly distributed over the cross sectionasl area of the wire. The magnetic field at a distasnce x from the surface inside the wire is

A long straight solid metal wire of radius R carries a current I, uniformly distributed over its circular cross-section. Find the magnetic field at a distance r from axis of wire (i) inside and (ii) outside the wire.

A long, cylindrical tube of inner and outer radii a and b carries a current i distributed uniformly over its cross section. Find the magnitude of the magnetic field at a point (a) just inside the tube (b) just outside the tube.

A long straight solid metal rod of radius 4cm carries a current 2A , uniformly distributed over its circular cross-section. Find the magnetic field induction at a distance 3cm from the axis of the wire.

Statement-1 Magnetic force is always onon-central while the electric force may be central Statement-2 magnetic field can acclerate a charged particle Statement-3 Consider a long, straight wire of radius R, carrying a current distributed uniformly over its cross-section. The magnitude of the magnetic field is maximum at surface of the wire.

A long straight wire of radius 10mm carries a current uniformly distributed over its cross section. The ration of magnetic fields due to the wire at distance of 5mm and 15 mm, respectively from the axis of the wire is