Question

Draw the pattern of magnetic field lines produced around a current
carrying straight conductor passing perpendicularly through a horizontal
cardboard. State and apply right-hand thumb rule to mark the direction
of the field lines. How will the strength of the magnetie field change when
the point where magnetic field is to be determined is moved away from
the straight conductor ? Give reason to justify your answer.​

Answer 1

Step-by-step explanation:

Answer:

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Answer 2

Answer:

Right hand thumb rule

state that

When holding the current carring straight conductor in your right hand such that the thumb points towards the direction of the current the finger of the right hand wraps around the conductor in the direction of the field lines of the magnetic field.

The direction of magnetic field can be determine by Right hand thumb rule

it's Al'so know as Maxwell's corkscrew Rule