The direction of the magnetic field around a current-carrying straight conductor is given by:
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Question

The direction of the magnetic field around a current-carrying straight conductor is given by:

Accepted Answer

According to Maxwell's Right-Hand Thumb Rule, if you hold a current-carrying straight conductor in your right hand such that your thumb points in the direction of current, then your fingers will wrap around the conductor in the direction of the magnetic field lines.

Magnetic Effects of Electric Current

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