A coaxial cable consists of a thin inner conductor fixed along the axis of a hollow outer conductor. The two conductor carry equal currents in opposite directions. Let `B_1 and B_2` be the magnetic fields in the region between the conductors and outside the conductor, respectively. Then,

In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero.

In a coaxial, straght cable, the central conductor and the outer conductor carry equal currents in opposite directions.The magnetic field is non-zero.

A coaxial cable consists of a central conducting core wire of radius, a and a coaxial cylinderical outer conductor of radius h (see figure). The two conductor carry an equal current I in opposite directions in and out of the plane of the paper what will be the magnitude of the magnetic field B for:- b

A thin, straight conductor lies along the axis of a hollow conductor of radius R . The two carry equal currents in the same direction. The magnetic field B is plotted against the distance r from the axis. Which of the following best represents the resulting curve?

The magnetic field in a straight current carrying conductor wire is: