A circular loop of radius r carries a current i. How should a long , straight wire carrying a current 4i be placed in the plane of the circle so that the magnetic field at the centre becomes zero?

A circular loop of radius r carries a current i. where should a long , straight wire carrying a current 4i be placed in the plane of the circle so that the magnetic field at the centre becomes zero?

A circular loop of radius r carries a current i. where should a long , straight wire carrying a current 4i be placed in the plane of the circle so that the magnetic field at the centre becomes zero?

A circular loop of radius r carries a current i. How should a long, straight wire carrying a current 4i be placed in the plane of the circle so that the magnetic field at the center becomes zero?

A circular loop of radius r carries a current i .How should a long, straight wire carrying a current 3i be placed in the plane of the circle so that the magnetic field at the centre of the loop becomes zero?

A conducting circular loop of radius a is connected to two long, straight wires . The straight wires carry a current I as shown in figure . Find the magnetic field B at the centre of the loop.

A conducting circular loop of radius a is connected to two long, straight wires . The straight wires carry a current I as shown in figure . Find the magnetic field B at the centre of the loop.

A conducting circular loop of radius a is connected to two long, straight wires . The straight wires carry a current I as shown in figure . Find the magnetic field B at the centre of the loop.

There is a circular loop carrying current and another straight wire carrying current is placed along its axis. The straight wire

A current carrying loop of radius r carries a current I . It is placed in a magnetic field B_0 such that the plane of the coil is perpendicular to the magnetic field. The net force on the coil is