Question

List the factors on which the magnetic field produced by a current carrying straight conductor depends .state the rule which gives the direction of its magnetic field .Draw the Pattern of magnetic field lines due to a straight current carrying conductor.

Answer 1

The magnetic field lines depends upon:
1) Magnitude of current
2) Emf of the cell

The rules are Maxwell's Corkscrew rule and Right hand Thumb rule.




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Answer 2

Factors on which the magnetic field produced by a current carrying conductor depends

(a) current passing through the conductor.

(b) distance of the magnetic compass from the conductor.

Right Hand Thumb Rule gives the direction of magnetic field.