Two circular coils of radii 5.0 cm and 10 cm carry equal currents of 2.0 A. The coils have 50 and 100 turns respectively and are placed in such a way that their planes as well as the centres coincide. Find the magnitude of the magnetic field B at the common centre of the coils if the currents in the coils are (a) in the same sense (b) in the opposite sense.

(i) Two circular coils of raddii 5.0 cm and 10 cm carry equla currents of 1 A .The coils have 50 and 100 turns respectively and are placed in such a way that their planes as well as the centre coincide.Find the magnitude of the magnetic field B at the common centre when the currents in the coils are (a) in the same sense ,(b) in the opposite sense. (ii) If the outer coil of the above problem is rotated through 90^(@) about a diameter,what would be the magnitude of the magnetic field B at the centre?

Two circular coil of radii 5cm and 10cm carry equal currents of 2A. The coils have 50 and 100 turns, respectively, and are placed in such a way that their planes as well as their centers coincide. Magnitude of magnetic field at the common centre of coils is

Two circular coils of radii 5.0 cm and 10 cm carry equal currents of 2.0 A. The coils have 50 and 100 turns respectively and are placed in such a way that their planes are perpendicular to each other, what would be the magnitude of the magnetic field B at the centre ?

Two circular coils of radii 5.0 cm and 10 cm carry equal currents of 2.0 A. The coils have 50 and 100 turns respectively and are placed in such a way that their planes are perpendicular to each other, what would be the magnitude of the magnetic field B at the centre ?

Two circular coils of radii 5cm and 10cm carry currents of 2A . The coils have 50 and 100 turns respectiely and are placed in such a way that their planes as well as their cetre coincide. Magnitude of magnetic field at the common centre of coils is

Is the magnetic field at the centre of the current carrying circular coil parallel to the plane of the coil?

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

A circular coil of radius 1*5 cm carries a current of 1*5A . If the coil has 25 turns , find the magnetic field at the centre.