ELECTROMAGNETISM
1 mark · NormalWhich statement correctly describes the direction of the magnetic field around a straight current-carrying wire using the right-hand grip rule?
Show answer
Correct option: The field circulates in the direction of the right-hand fingers when the thumb points in the direction of the current.
Common mistakes: Using left-hand rule; Thinking the field radiates out
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Marking points
B1 · 1 mark · Chooses the correct right-hand grip rule statement.
Worked solution
The correct answer is: The field circulates in the direction of the right-hand fingers when the thumb points in the direction of the current.