A student wants to use the Right Hand Thumb Rule to determine the direction of the magnetic field around a current-carrying straight conductor. Which of the following steps is essential in applying the rule correctly?

Question

A student wants to use the Right Hand Thumb Rule to determine the direction of the magnetic field around a current-carrying straight conductor. Which of the following steps is essential in applying the rule correctly? — Exam MCQ

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C. Point the thumb in the direction of current — 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. Wrap fingers in the direction of the conductor

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B. Align the thumb with the magnetic field

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D. Use the left hand for orientation

A student wants to use the Right Hand Thumb Rule to determine the direction of the magnetic field around a current-carrying straight conductor. Which of the following steps is essential in applying the rule correctly?

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