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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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The front face of a circular loop of a wire is the North Pole; the direction of current in this face of the loop will be:
towards north
anti-clockwise
towards south
clockwise
anti-clockwise
Use the letters 'N' and 'S': the tips of the letter 'N' point anti-clockwise (↺), while the tips of 'S' point clockwise (↻).
Front face of a circular loop of wire acts as a North Pole.
North Pole⟹Anti-clockwise current
Use the letters 'N' and 'S': the tips of the letter 'N' point anti-clockwise (↺), while the tips of 'S' point clockwise (↻).
Confusing the front view with the rear view, or swapping North (anti-clockwise) with South (clockwise) due to visual misinterpretation.
Recall the Clock Face Rule
According to the Clock Face Rule, looking at a face of a current-carrying loop, if the current flows in an anti-clockwise direction, that face behaves like a Magnetic North Pole.
Anti-clockwise current=North Pole (N)
Apply Rule to Given Condition
The problem states that the front face of the circular loop acts as a North Pole. Therefore, the direction of current in this face must be anti-clockwise.
Direction=Anti-clockwise
Verify with Options
Comparing our derived direction with the given options, Option B correctly matches the anti-clockwise direction.
Correct Option=B
B is correct because a face of a circular loop exhibiting North polarity corresponds to an anti-clockwise current flow according to the Clock Face Rule.
This concept directly connects to Right-Hand Thumb Rule and solenoid polarity questions in Electromagnetic Induction.
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