A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current1.5 m below the line?

A long straight wire in the horizontal plane carries a current of 50 A in north to south direction. Give the magnitude and direction of B at point 2.5 m east of the wire

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire. If, the wire intersects the axis .

A wire loop of the form shown the figure carries a current. Obtain the magnitude and direction of the magnetic field at P.

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire. If, the wire is turned from N - S to northeast and the northwest direction .

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius 10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire. If, the wire in the N - S direction is lowered from the axis by a distance of 6.0 cm ?

How does magnetic field due to current carrying conductor vary?

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

Two concentric circular coils x and y of radius 16 cm and 10 cm respectively, lie in the same vertical plane containing the north to south direction coil x has 20 turns and carries current of 16A coil y has 25 turns and carries a current of 18A! The sense of the current in x is anticlockwise and clockwise in y for an observe looking at the coils facing west. Give The magnitude and direction of net magnetic field due to the coils at the centre.

A very long straight wire carries a current 5.2A. What is the magnitude of the magnetic field at a distance 3.1 cm from the wire?

If vec(A) is a vector of magnitude 3 units due east. What is the magnitude and direction of a vector -4vec(A) ?