An infinite straight wire refers to an idealized wire with no end that carries an electric current.
Think of an infinitely long road stretching out into the horizon. Just as you can keep driving on this road without reaching its end, an infinite straight wire has no physical ends and extends indefinitely.
Biot-Savart Law: A fundamental law in electromagnetism that calculates the magnetic field produced by a current-carrying wire.
Right-hand Rule (for wires): A rule used to determine the direction of magnetic fields generated by current-carrying wires.
Solenoid: A coil of wire wound in a helical shape that produces a uniform magnetic field when carrying an electric current.
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