What direction of current flow creates a clockwise magnetic field when viewed from above?

Prepare for the NCEA Level 2 Physics Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

The direction of current flow that creates a clockwise magnetic field when viewed from above is indeed downward. This conclusion can be drawn from the right-hand rule, which is a common method for determining the direction of the magnetic field around a current-carrying conductor.

When you point your thumb in the direction of the current (which is downward in this case), your fingers curl in the direction of the magnetic field lines. If you visualize looking down from above, the magnetic field lines would circulate in a clockwise motion around the wire.

Understanding the relationship between current and magnetic fields is crucial in electromagnetism and plays a significant role in applications such as electric motors and generators, where the orientation and direction of magnetic fields are essential for their operation.

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