A horizontal power line carries a current of 90A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.5m below the line?

A horizontal 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 current 1.5 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 a point 2.5 m east of the wire

Inside a bar magnet the direction of the magnetic field lines is….. .

Solve the follwing example . A current through a horizontal power line flows in east to west direction . What is the direction of magnetic field at a point directly below it and at a point directly above it ?

Show magnetic field lines due to current carrying loop.

Which rule can be use to determine direction of magnetic field due to current carrying loop.

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius10.0 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, (a) the wire intersects the axis, (b) the wire is turned from N-S to northeast-northwest direction, (c) the wire in the N-S direction is lowered from the axis by a distance of 6.0 cm?

What is a solenoid ? Discuss the magnetic field due to a current - carrying solenoid .