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

A long, thick straight conductor of radius R carries current I uniformly distributed in its cross section area.The ratio of energy density of the magnetic field at distance R//2 from surface inside the conductor and outside the conductor is:

A long, thick straight conductor of radius R carries current I uniformly distributed in its cross section area.The ratio of energy density of the magnetic field at distance R//2 from surface inside the conductor and outside the conductor is:

A thick current carrying cable of radius 'R' carries current 'I' uniformly distributed across its crosssection. The variation of magnetic field B(r) due to cable with distance 'r' from the axis of the cable is represented by.

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

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

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

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

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 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