Question

The direction of magnetic lines of force produced by passing a direct current in a conductor is given by

Answer 1

Explanation:

The direction of magnetic field line force can be determine by MAXWELL RIGHT HAND THUMB RULE .

EXPLANATION OF RIGHT HAND THUMB RULE :

If we hold the current carrying conductor in our right hand such that the thumb point in the direction of flow of the current , then the fingers encircle the wire in the direction of magnetic field line .

FOR YOUR BETTER UNDERSTANDING SEE IN FIGURE

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Answer 2

Ⓗⓞⓛⓐ ⓓⓔⓐⓡ

if the thumb, the forefinger, and the middle finger of the right hand are bent at right angles to one another with the thumb pointed in the direction of motion of a conductor relative to a magnetic field and the forefinger in the direction of the field, then the middle finger will point in the