Verified Solution • 2025–26 Session moderate

QPage 248: Q3: HC Verma: Concepts of Physics - Volume 2 Magnetic Field Due to a Current Page 248: Q3 Solution: You are facing a circular wire carrying an electric current.…

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often reverse the right‑hand grip rule, thinking that a clockwise current makes the field point toward them; actually, when you curl the right‑hand fingers in the clockwise direction, the thumb points away from you (into the page). Always view the loop from the observer’s side and apply the thumb‑direction as the magnetic field at the centre.

You are facing a circular wire carrying an electric current. The current is clockwise as seen by you. Is the field at the centre coming towards you or going away from you?

Step-by-Step Verified Solution

**Answer:** The field at the centre is coming towards you. **Step-by-Step Explanation:** The current is clockwise as seen by you. Curl the fingers of your right hand in the direction of the current (clockwise). Your thumb points **towards you**. Hence, the magnetic field at the centre is coming towards you.

All Questions in this Chapter

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