[" 3.A copper wire of diameter "1*6mm" carries a current of "],[20A" .Find the maximum magnitude of the magnetic "],[" field "vec B" due to this current."]

A copper wire of diameter 1.6 mm carries a current of 20A. Find the maximum magnitude of the magnetic field ('vecB')due to this current.

Draw the magnetic field lines due to a straight wire carrying current.

a long straight wire carries a current of 35 A . what is the magnitude of magnetic field B at a point 20 cm from the wire.

A long copper wire of diameter 2 mm carries a current of 1.5 A. a. What is the magnetic field (B) at a perpendicular distance 1 m from the middle of the wire? b. What is the field (B) on the surface of the conductor? c. At a distance 1 mm from the axis, what is the value of the magnetic field?

A hexagonal loop of a metallic wire is of each side a and carries a current I . Find the magnitude of magnetic field at the centre of the loop.

Figure shows a straight wire of length l carrying a current i. Find the magnitude of magnetic field produced by the current at point P.

A wire carries current toward the north. In the region beneath this wire, What is the direction of the magnetic field due to the current ?

A long wire carries a current of 90 A in the east to west direction. What is the magnitude and direction of magnetic field due to the current I.5m below the line?