During an experiment, a student applies the Right Hand Thumb Rule to a vertical wire with current flowing upward. What is the direction of the magnetic field at a point directly east of the wire?

Question

During an experiment, a student applies the Right Hand Thumb Rule to a vertical wire with current flowing upward. What is the direction of the magnetic field at a point directly east of the wire? — Exam MCQ

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C. The magnetic field points towards the north at that point — Point the right-hand thumb in the direction of conventional current; the curled fingers give the direction of the surrounding magnetic field.

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A. The magnetic field points towards the west at that point

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B. The magnetic field points towards the south at that point

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D. The magnetic field points towards the east at that point

During an experiment, a student applies the Right Hand Thumb Rule to a vertical wire with current flowing upward. What is the direction of the magnetic field at a point directly east of the wire?

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