A striaight wire carries a current of 3 A calculate the magnitude of the magentic field at a point 15 cm away from the wire

A straight wire carries a current of 3 A.Calculate the magnitude of the magnetic field at a point 15cm away from the wire. Draw a diagram to show tha direction of the magnetic field.

If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is

If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is

A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 35 cm from the wire ?

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

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

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

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