Question

2. a) What is the pattern of magnetic field line around a straight conductor carrying current. b) State the rule to find the direction of magnet filed associated with a current carrying conductor.

Answer 1

a) The nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. ... The direction of the magnetic field lines of force around a conductor is given by the Maxwell's right hand grip rule or the right handed corkscrew rule

b) It states that if you holding the current-carrying conductor in your right hand such that the thumb points in direction of the current, then the direction in which the fingers encircle, gives the direction of magnetic lines. This rule is also called Maxwell's Corkscrew Rule

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