How does a magnetic field lines becomes traight in a long current carrying solenoid

Asked by  | 28th Jan, 2010, 06:43: AM

Expert Answer:

Magnetic field lines are approximately straight along  the axis of a long solenoid,

Each turn of coil generates a circulr magnetic field lines, since the coil is tightly wound, the circular arcs of those individual magnetic field lines, join up and make up a straight line along the centre of the solenoid.

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Answered by  | 29th Jan, 2010, 12:49: PM

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